Home / 12,295,097.30-18,442,645.95-9,903,612.80

Finding the Fourth Proportional to 12,295,097.30, 18,442,645.95 and 9,903,612.80

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Solution

The fourth proportional to 12,295,097.30, 18,442,645.95 and 9,903,612.80 is: 14,855,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,097.30 : 18,442,645.95 = 9,903,612.80 : x
  2. Step 2: Convert to fraction form
    12,295,097.30/18,442,645.95 = 9,903,612.80/x
  3. Step 3: Cross multiply
    12,295,097.30x = 18,442,645.95 × 9,903,612.80
  4. Step 4: Simplify right side
    12,295,097.30x = 182,648,824,496,288.16
  5. Step 5: Solve for x
    x = 182,648,824,496,288.16/12,295,097.30
  6. Step 6: Final answer
    x = 14,855,419.20

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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.