Home / 14,005,834.92-19,328,013.30-7,810,887.42

Finding the Fourth Proportional to 14,005,834.92, 19,328,013.30 and 7,810,887.42

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Solution

The fourth proportional to 14,005,834.92, 19,328,013.30 and 7,810,887.42 is: 10,779,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005,834.92 : 19,328,013.30 = 7,810,887.42 : x
  2. Step 2: Convert to fraction form
    14,005,834.92/19,328,013.30 = 7,810,887.42/x
  3. Step 3: Cross multiply
    14,005,834.92x = 19,328,013.30 × 7,810,887.42
  4. Step 4: Simplify right side
    14,005,834.92x = 150,968,935,938,562.69
  5. Step 5: Solve for x
    x = 150,968,935,938,562.69/14,005,834.92
  6. Step 6: Final answer
    x = 10,779,002.95

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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.