Home / 39,916,881.60-59,851,702.80-20,785,005.60

Finding the Fourth Proportional to 39,916,881.60, 59,851,702.80 and 20,785,005.60

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Solution

The fourth proportional to 39,916,881.60, 59,851,702.80 and 20,785,005.60 is: 31,165,209.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916,881.60 : 59,851,702.80 = 20,785,005.60 : x
  2. Step 2: Convert to fraction form
    39,916,881.60/59,851,702.80 = 20,785,005.60/x
  3. Step 3: Cross multiply
    39,916,881.60x = 59,851,702.80 × 20,785,005.60
  4. Step 4: Simplify right side
    39,916,881.60x = 1,244,017,977,867,535.75
  5. Step 5: Solve for x
    x = 1,244,017,977,867,535.75/39,916,881.60
  6. Step 6: Final answer
    x = 31,165,209.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.