Home / 12,654,005.28-18,984,244.71-3,678,557.28

Finding the Fourth Proportional to 12,654,005.28, 18,984,244.71 and 3,678,557.28

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Solution

The fourth proportional to 12,654,005.28, 18,984,244.71 and 3,678,557.28 is: 5,518,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,005.28 : 18,984,244.71 = 3,678,557.28 : x
  2. Step 2: Convert to fraction form
    12,654,005.28/18,984,244.71 = 3,678,557.28/x
  3. Step 3: Cross multiply
    12,654,005.28x = 18,984,244.71 × 3,678,557.28
  4. Step 4: Simplify right side
    12,654,005.28x = 69,834,631,583,271.98
  5. Step 5: Solve for x
    x = 69,834,631,583,271.98/12,654,005.28
  6. Step 6: Final answer
    x = 5,518,776.86

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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.