Home / 30,592,535.81-42,216,406.34-16,653,600.77

Finding the Fourth Proportional to 30,592,535.81, 42,216,406.34 and 16,653,600.77

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Solution

The fourth proportional to 30,592,535.81, 42,216,406.34 and 16,653,600.77 is: 22,981,265.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592,535.81 : 42,216,406.34 = 16,653,600.77 : x
  2. Step 2: Convert to fraction form
    30,592,535.81/42,216,406.34 = 16,653,600.77/x
  3. Step 3: Cross multiply
    30,592,535.81x = 42,216,406.34 × 16,653,600.77
  4. Step 4: Simplify right side
    30,592,535.81x = 703,055,176,836,106.88
  5. Step 5: Solve for x
    x = 703,055,176,836,106.88/30,592,535.81
  6. Step 6: Final answer
    x = 22,981,265.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.