Home / 7,128,002.70-10,692,004.05-4,577,085.90

Finding the Fourth Proportional to 7,128,002.70, 10,692,004.05 and 4,577,085.90

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Solution

The fourth proportional to 7,128,002.70, 10,692,004.05 and 4,577,085.90 is: 6,865,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,002.70 : 10,692,004.05 = 4,577,085.90 : x
  2. Step 2: Convert to fraction form
    7,128,002.70/10,692,004.05 = 4,577,085.90/x
  3. Step 3: Cross multiply
    7,128,002.70x = 10,692,004.05 × 4,577,085.90
  4. Step 4: Simplify right side
    7,128,002.70x = 48,938,220,979,997.91
  5. Step 5: Solve for x
    x = 48,938,220,979,997.91/7,128,002.70
  6. Step 6: Final answer
    x = 6,865,628.85

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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.