Home / 14,414,203.76-19,891,603.20-7,887,834.72

Finding the Fourth Proportional to 14,414,203.76, 19,891,603.20 and 7,887,834.72

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Solution

The fourth proportional to 14,414,203.76, 19,891,603.20 and 7,887,834.72 is: 10,885,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414,203.76 : 19,891,603.20 = 7,887,834.72 : x
  2. Step 2: Convert to fraction form
    14,414,203.76/19,891,603.20 = 7,887,834.72/x
  3. Step 3: Cross multiply
    14,414,203.76x = 19,891,603.20 × 7,887,834.72
  4. Step 4: Simplify right side
    14,414,203.76x = 156,901,678,357,423.09
  5. Step 5: Solve for x
    x = 156,901,678,357,423.09/14,414,203.76
  6. Step 6: Final answer
    x = 10,885,213.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.