Home / 10,430,002.70-15,645,004.05-5,328,169.10

Finding the Fourth Proportional to 10,430,002.70, 15,645,004.05 and 5,328,169.10

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Solution

The fourth proportional to 10,430,002.70, 15,645,004.05 and 5,328,169.10 is: 7,992,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430,002.70 : 15,645,004.05 = 5,328,169.10 : x
  2. Step 2: Convert to fraction form
    10,430,002.70/15,645,004.05 = 5,328,169.10/x
  3. Step 3: Cross multiply
    10,430,002.70x = 15,645,004.05 × 5,328,169.10
  4. Step 4: Simplify right side
    10,430,002.70x = 83,359,227,148,584.86
  5. Step 5: Solve for x
    x = 83,359,227,148,584.86/10,430,002.70
  6. Step 6: Final answer
    x = 7,992,253.65

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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.