Home / 7,247,430.60-10,872,458.10-3,644,129.40

Finding the Fourth Proportional to 7,247,430.60, 10,872,458.10 and 3,644,129.40

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Solution

The fourth proportional to 7,247,430.60, 10,872,458.10 and 3,644,129.40 is: 5,466,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247,430.60 : 10,872,458.10 = 3,644,129.40 : x
  2. Step 2: Convert to fraction form
    7,247,430.60/10,872,458.10 = 3,644,129.40/x
  3. Step 3: Cross multiply
    7,247,430.60x = 10,872,458.10 × 3,644,129.40
  4. Step 4: Simplify right side
    7,247,430.60x = 39,620,644,212,478.14
  5. Step 5: Solve for x
    x = 39,620,644,212,478.14/7,247,430.60
  6. Step 6: Final answer
    x = 5,466,853.90

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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.