Home / 7,209,305.60-9,948,693.12-3,946,040.96

Finding the Fourth Proportional to 7,209,305.60, 9,948,693.12 and 3,946,040.96

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Solution

The fourth proportional to 7,209,305.60, 9,948,693.12 and 3,946,040.96 is: 5,445,455.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,305.60 : 9,948,693.12 = 3,946,040.96 : x
  2. Step 2: Convert to fraction form
    7,209,305.60/9,948,693.12 = 3,946,040.96/x
  3. Step 3: Cross multiply
    7,209,305.60x = 9,948,693.12 × 3,946,040.96
  4. Step 4: Simplify right side
    7,209,305.60x = 39,257,950,549,990.20
  5. Step 5: Solve for x
    x = 39,257,950,549,990.20/7,209,305.60
  6. Step 6: Final answer
    x = 5,445,455.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.