Home / 10,429,040.50-15,648,044.80-5,041,741.90

Finding the Fourth Proportional to 10,429,040.50, 15,648,044.80 and 5,041,741.90

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Solution

The fourth proportional to 10,429,040.50, 15,648,044.80 and 5,041,741.90 is: 7,564,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,040.50 : 15,648,044.80 = 5,041,741.90 : x
  2. Step 2: Convert to fraction form
    10,429,040.50/15,648,044.80 = 5,041,741.90/x
  3. Step 3: Cross multiply
    10,429,040.50x = 15,648,044.80 × 5,041,741.90
  4. Step 4: Simplify right side
    10,429,040.50x = 78,893,403,121,237.12
  5. Step 5: Solve for x
    x = 78,893,403,121,237.12/10,429,040.50
  6. Step 6: Final answer
    x = 7,564,780.59

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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.