Home / 12,129,518.16-16,736,759.28-7,167,269

Finding the Fourth Proportional to 12,129,518.16, 16,736,759.28 and 7,167,269

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Solution

The fourth proportional to 12,129,518.16, 16,736,759.28 and 7,167,269 is: 9,889,663.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,518.16 : 16,736,759.28 = 7,167,269 : x
  2. Step 2: Convert to fraction form
    12,129,518.16/16,736,759.28 = 7,167,269/x
  3. Step 3: Cross multiply
    12,129,518.16x = 16,736,759.28 × 7,167,269
  4. Step 4: Simplify right side
    12,129,518.16x = 119,956,855,948,006.31
  5. Step 5: Solve for x
    x = 119,956,855,948,006.31/12,129,518.16
  6. Step 6: Final answer
    x = 9,889,663.74

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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.