Home / 39,725,246.40-59,587,869.60-20,561,877.60

Finding the Fourth Proportional to 39,725,246.40, 59,587,869.60 and 20,561,877.60

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Solution

The fourth proportional to 39,725,246.40, 59,587,869.60 and 20,561,877.60 is: 30,842,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,725,246.40 : 59,587,869.60 = 20,561,877.60 : x
  2. Step 2: Convert to fraction form
    39,725,246.40/59,587,869.60 = 20,561,877.60/x
  3. Step 3: Cross multiply
    39,725,246.40x = 59,587,869.60 × 20,561,877.60
  4. Step 4: Simplify right side
    39,725,246.40x = 1,225,238,481,159,961
  5. Step 5: Solve for x
    x = 1,225,238,481,159,961/39,725,246.40
  6. Step 6: Final answer
    x = 30,842,816.40

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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.