Home / 10,369,016.80-15,553,525.20-9,781,151.20

Finding the Fourth Proportional to 10,369,016.80, 15,553,525.20 and 9,781,151.20

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Solution

The fourth proportional to 10,369,016.80, 15,553,525.20 and 9,781,151.20 is: 14,671,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,016.80 : 15,553,525.20 = 9,781,151.20 : x
  2. Step 2: Convert to fraction form
    10,369,016.80/15,553,525.20 = 9,781,151.20/x
  3. Step 3: Cross multiply
    10,369,016.80x = 15,553,525.20 × 9,781,151.20
  4. Step 4: Simplify right side
    10,369,016.80x = 152,131,381,674,210.22
  5. Step 5: Solve for x
    x = 152,131,381,674,210.22/10,369,016.80
  6. Step 6: Final answer
    x = 14,671,726.80

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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.