Home / 14,315,061.90-21,472,592.85-12,747,420.30

Finding the Fourth Proportional to 14,315,061.90, 21,472,592.85 and 12,747,420.30

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Solution

The fourth proportional to 14,315,061.90, 21,472,592.85 and 12,747,420.30 is: 19,121,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315,061.90 : 21,472,592.85 = 12,747,420.30 : x
  2. Step 2: Convert to fraction form
    14,315,061.90/21,472,592.85 = 12,747,420.30/x
  3. Step 3: Cross multiply
    14,315,061.90x = 21,472,592.85 × 12,747,420.30
  4. Step 4: Simplify right side
    14,315,061.90x = 273,720,165,989,724.88
  5. Step 5: Solve for x
    x = 273,720,165,989,724.88/14,315,061.90
  6. Step 6: Final answer
    x = 19,121,130.45

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1.5x scale

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.