Home / 12,484,039.20-18,726,058.80-9,649,687.20

Finding the Fourth Proportional to 12,484,039.20, 18,726,058.80 and 9,649,687.20

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Solution

The fourth proportional to 12,484,039.20, 18,726,058.80 and 9,649,687.20 is: 14,474,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,039.20 : 18,726,058.80 = 9,649,687.20 : x
  2. Step 2: Convert to fraction form
    12,484,039.20/18,726,058.80 = 9,649,687.20/x
  3. Step 3: Cross multiply
    12,484,039.20x = 18,726,058.80 × 9,649,687.20
  4. Step 4: Simplify right side
    12,484,039.20x = 180,700,609,908,807.34
  5. Step 5: Solve for x
    x = 180,700,609,908,807.34/12,484,039.20
  6. Step 6: Final answer
    x = 14,474,530.80

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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.