Home / 30,677,564.71-42,335,925.60-16,927,414.57

Finding the Fourth Proportional to 30,677,564.71, 42,335,925.60 and 16,927,414.57

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Solution

The fourth proportional to 30,677,564.71, 42,335,925.60 and 16,927,414.57 is: 23,360,321.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677,564.71 : 42,335,925.60 = 16,927,414.57 : x
  2. Step 2: Convert to fraction form
    30,677,564.71/42,335,925.60 = 16,927,414.57/x
  3. Step 3: Cross multiply
    30,677,564.71x = 42,335,925.60 × 16,927,414.57
  4. Step 4: Simplify right side
    30,677,564.71x = 716,637,763,835,876
  5. Step 5: Solve for x
    x = 716,637,763,835,876/30,677,564.71
  6. Step 6: Final answer
    x = 23,360,321.15

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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.