Home / 12,470,132.18-17,203,886.16-7,242,250.52

Finding the Fourth Proportional to 12,470,132.18, 17,203,886.16 and 7,242,250.52

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Solution

The fourth proportional to 12,470,132.18, 17,203,886.16 and 7,242,250.52 is: 9,991,462.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,132.18 : 17,203,886.16 = 7,242,250.52 : x
  2. Step 2: Convert to fraction form
    12,470,132.18/17,203,886.16 = 7,242,250.52/x
  3. Step 3: Cross multiply
    12,470,132.18x = 17,203,886.16 × 7,242,250.52
  4. Step 4: Simplify right side
    12,470,132.18x = 124,594,853,488,280.80
  5. Step 5: Solve for x
    x = 124,594,853,488,280.80/12,470,132.18
  6. Step 6: Final answer
    x = 9,991,462.13

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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.