Home / 10,369,010.80-15,553,516.20-9,781,145.20

Finding the Fourth Proportional to 10,369,010.80, 15,553,516.20 and 9,781,145.20

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Solution

The fourth proportional to 10,369,010.80, 15,553,516.20 and 9,781,145.20 is: 14,671,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,010.80 : 15,553,516.20 = 9,781,145.20 : x
  2. Step 2: Convert to fraction form
    10,369,010.80/15,553,516.20 = 9,781,145.20/x
  3. Step 3: Cross multiply
    10,369,010.80x = 15,553,516.20 × 9,781,145.20
  4. Step 4: Simplify right side
    10,369,010.80x = 152,131,200,322,752.22
  5. Step 5: Solve for x
    x = 152,131,200,322,752.22/10,369,010.80
  6. Step 6: Final answer
    x = 14,671,717.80

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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.