Home / 15,554,463.80-23,331,695.70-12,720,111.80

Finding the Fourth Proportional to 15,554,463.80, 23,331,695.70 and 12,720,111.80

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Solution

The fourth proportional to 15,554,463.80, 23,331,695.70 and 12,720,111.80 is: 19,080,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554,463.80 : 23,331,695.70 = 12,720,111.80 : x
  2. Step 2: Convert to fraction form
    15,554,463.80/23,331,695.70 = 12,720,111.80/x
  3. Step 3: Cross multiply
    15,554,463.80x = 23,331,695.70 × 12,720,111.80
  4. Step 4: Simplify right side
    15,554,463.80x = 296,781,777,787,579.25
  5. Step 5: Solve for x
    x = 296,781,777,787,579.25/15,554,463.80
  6. Step 6: Final answer
    x = 19,080,167.70

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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.