Home / 12,369,002.08-17,070,030.20-7,142,230.80

Finding the Fourth Proportional to 12,369,002.08, 17,070,030.20 and 7,142,230.80

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Solution

The fourth proportional to 12,369,002.08, 17,070,030.20 and 7,142,230.80 is: 9,856,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369,002.08 : 17,070,030.20 = 7,142,230.80 : x
  2. Step 2: Convert to fraction form
    12,369,002.08/17,070,030.20 = 7,142,230.80/x
  3. Step 3: Cross multiply
    12,369,002.08x = 17,070,030.20 × 7,142,230.80
  4. Step 4: Simplify right side
    12,369,002.08x = 121,918,095,451,370.16
  5. Step 5: Solve for x
    x = 121,918,095,451,370.16/12,369,002.08
  6. Step 6: Final answer
    x = 9,856,744.68

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1.5x scale

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.