Home / 39,420,428.79-59,130,788.73-12,126,532.53

Finding the Fourth Proportional to 39,420,428.79, 59,130,788.73 and 12,126,532.53

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Solution

The fourth proportional to 39,420,428.79, 59,130,788.73 and 12,126,532.53 is: 18,189,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420,428.79 : 59,130,788.73 = 12,126,532.53 : x
  2. Step 2: Convert to fraction form
    39,420,428.79/59,130,788.73 = 12,126,532.53/x
  3. Step 3: Cross multiply
    39,420,428.79x = 59,130,788.73 × 12,126,532.53
  4. Step 4: Simplify right side
    39,420,428.79x = 717,051,433,058,902.25
  5. Step 5: Solve for x
    x = 717,051,433,058,902.25/39,420,428.79
  6. Step 6: Final answer
    x = 18,189,843.57

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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.