Home / 12,554,765.40-18,834,605.70-5,366,285.40

Finding the Fourth Proportional to 12,554,765.40, 18,834,605.70 and 5,366,285.40

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Solution

The fourth proportional to 12,554,765.40, 18,834,605.70 and 5,366,285.40 is: 8,050,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554,765.40 : 18,834,605.70 = 5,366,285.40 : x
  2. Step 2: Convert to fraction form
    12,554,765.40/18,834,605.70 = 5,366,285.40/x
  3. Step 3: Cross multiply
    12,554,765.40x = 18,834,605.70 × 5,366,285.40
  4. Step 4: Simplify right side
    12,554,765.40x = 101,071,869,582,666.78
  5. Step 5: Solve for x
    x = 101,071,869,582,666.78/12,554,765.40
  6. Step 6: Final answer
    x = 8,050,478.55

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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.