Home / 39,916,904.40-59,875,356.60-20,785,028.40

Finding the Fourth Proportional to 39,916,904.40, 59,875,356.60 and 20,785,028.40

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Solution

The fourth proportional to 39,916,904.40, 59,875,356.60 and 20,785,028.40 is: 31,177,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916,904.40 : 59,875,356.60 = 20,785,028.40 : x
  2. Step 2: Convert to fraction form
    39,916,904.40/59,875,356.60 = 20,785,028.40/x
  3. Step 3: Cross multiply
    39,916,904.40x = 59,875,356.60 × 20,785,028.40
  4. Step 4: Simplify right side
    39,916,904.40x = 1,244,510,987,391,127.50
  5. Step 5: Solve for x
    x = 1,244,510,987,391,127.50/39,916,904.40
  6. Step 6: Final answer
    x = 31,177,542.60

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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.