Home / 12,098,860.80-18,148,291.20-9,358,987.20

Finding the Fourth Proportional to 12,098,860.80, 18,148,291.20 and 9,358,987.20

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Solution

The fourth proportional to 12,098,860.80, 18,148,291.20 and 9,358,987.20 is: 14,038,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,860.80 : 18,148,291.20 = 9,358,987.20 : x
  2. Step 2: Convert to fraction form
    12,098,860.80/18,148,291.20 = 9,358,987.20/x
  3. Step 3: Cross multiply
    12,098,860.80x = 18,148,291.20 × 9,358,987.20
  4. Step 4: Simplify right side
    12,098,860.80x = 169,849,625,042,672.62
  5. Step 5: Solve for x
    x = 169,849,625,042,672.62/12,098,860.80
  6. Step 6: Final answer
    x = 14,038,480.80

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1.5x scale

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.