Home / 12,484,029.20-18,726,043.80-9,649,677.20

Finding the Fourth Proportional to 12,484,029.20, 18,726,043.80 and 9,649,677.20

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Solution

The fourth proportional to 12,484,029.20, 18,726,043.80 and 9,649,677.20 is: 14,474,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484,029.20 : 18,726,043.80 = 9,649,677.20 : x
  2. Step 2: Convert to fraction form
    12,484,029.20/18,726,043.80 = 9,649,677.20/x
  3. Step 3: Cross multiply
    12,484,029.20x = 18,726,043.80 × 9,649,677.20
  4. Step 4: Simplify right side
    12,484,029.20x = 180,700,277,903,061.34
  5. Step 5: Solve for x
    x = 180,700,277,903,061.34/12,484,029.20
  6. Step 6: Final answer
    x = 14,474,515.80

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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.