Home / 30,641,995.71-42,286,244.81-16,891,451.91

Finding the Fourth Proportional to 30,641,995.71, 42,286,244.81 and 16,891,451.91

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Solution

The fourth proportional to 30,641,995.71, 42,286,244.81 and 16,891,451.91 is: 23,310,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,641,995.71 : 42,286,244.81 = 16,891,451.91 : x
  2. Step 2: Convert to fraction form
    30,641,995.71/42,286,244.81 = 16,891,451.91/x
  3. Step 3: Cross multiply
    30,641,995.71x = 42,286,244.81 × 16,891,451.91
  4. Step 4: Simplify right side
    30,641,995.71x = 714,276,070,578,144.88
  5. Step 5: Solve for x
    x = 714,276,070,578,144.88/30,641,995.71
  6. Step 6: Final answer
    x = 23,310,363.90

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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.