Home / 12,318,446.08-16,999,565.52-6,812,193.52

Finding the Fourth Proportional to 12,318,446.08, 16,999,565.52 and 6,812,193.52

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Solution

The fourth proportional to 12,318,446.08, 16,999,565.52 and 6,812,193.52 is: 9,400,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,446.08 : 16,999,565.52 = 6,812,193.52 : x
  2. Step 2: Convert to fraction form
    12,318,446.08/16,999,565.52 = 6,812,193.52/x
  3. Step 3: Cross multiply
    12,318,446.08x = 16,999,565.52 × 6,812,193.52
  4. Step 4: Simplify right side
    12,318,446.08x = 115,804,330,078,159.42
  5. Step 5: Solve for x
    x = 115,804,330,078,159.42/12,318,446.08
  6. Step 6: Final answer
    x = 9,400,887.85

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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.