Home / 39,931,847.67-59,914,871.07-12,640,362.15

Finding the Fourth Proportional to 39,931,847.67, 59,914,871.07 and 12,640,362.15

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Solution

The fourth proportional to 39,931,847.67, 59,914,871.07 and 12,640,362.15 is: 18,965,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931,847.67 : 59,914,871.07 = 12,640,362.15 : x
  2. Step 2: Convert to fraction form
    39,931,847.67/59,914,871.07 = 12,640,362.15/x
  3. Step 3: Cross multiply
    39,931,847.67x = 59,914,871.07 × 12,640,362.15
  4. Step 4: Simplify right side
    39,931,847.67x = 757,345,668,672,637.38
  5. Step 5: Solve for x
    x = 757,345,668,672,637.38/39,931,847.67
  6. Step 6: Final answer
    x = 18,965,956.07

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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.