Home / 28,656,037.23-43,001,678.50-11,381,215.83

Finding the Fourth Proportional to 28,656,037.23, 43,001,678.50 and 11,381,215.83

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Solution

The fourth proportional to 28,656,037.23, 43,001,678.50 and 11,381,215.83 is: 17,078,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656,037.23 : 43,001,678.50 = 11,381,215.83 : x
  2. Step 2: Convert to fraction form
    28,656,037.23/43,001,678.50 = 11,381,215.83/x
  3. Step 3: Cross multiply
    28,656,037.23x = 43,001,678.50 × 11,381,215.83
  4. Step 4: Simplify right side
    28,656,037.23x = 489,411,384,060,770.69
  5. Step 5: Solve for x
    x = 489,411,384,060,770.69/28,656,037.23
  6. Step 6: Final answer
    x = 17,078,822.87

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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.