Home / 10,158,385.57-15,242,560.16-4,767,474.31

Finding the Fourth Proportional to 10,158,385.57, 15,242,560.16 and 4,767,474.31

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Solution

The fourth proportional to 10,158,385.57, 15,242,560.16 and 4,767,474.31 is: 7,153,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158,385.57 : 15,242,560.16 = 4,767,474.31 : x
  2. Step 2: Convert to fraction form
    10,158,385.57/15,242,560.16 = 4,767,474.31/x
  3. Step 3: Cross multiply
    10,158,385.57x = 15,242,560.16 × 4,767,474.31
  4. Step 4: Simplify right side
    10,158,385.57x = 72,668,513,919,485.72
  5. Step 5: Solve for x
    x = 72,668,513,919,485.72/10,158,385.57
  6. Step 6: Final answer
    x = 7,153,549.49

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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.