Home / 18,924,484.80-28,386,318.69-5,277,267.66

Finding the Fourth Proportional to 18,924,484.80, 28,386,318.69 and 5,277,267.66

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Solution

The fourth proportional to 18,924,484.80, 28,386,318.69 and 5,277,267.66 is: 7,915,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924,484.80 : 28,386,318.69 = 5,277,267.66 : x
  2. Step 2: Convert to fraction form
    18,924,484.80/28,386,318.69 = 5,277,267.66/x
  3. Step 3: Cross multiply
    18,924,484.80x = 28,386,318.69 × 5,277,267.66
  4. Step 4: Simplify right side
    18,924,484.80x = 149,802,201,609,190.56
  5. Step 5: Solve for x
    x = 149,802,201,609,190.56/18,924,484.80
  6. Step 6: Final answer
    x = 7,915,787.57

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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.