Home / 12,309,862.80-18,464,794.20-12,141,901.20

Finding the Fourth Proportional to 12,309,862.80, 18,464,794.20 and 12,141,901.20

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Solution

The fourth proportional to 12,309,862.80, 18,464,794.20 and 12,141,901.20 is: 18,212,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309,862.80 : 18,464,794.20 = 12,141,901.20 : x
  2. Step 2: Convert to fraction form
    12,309,862.80/18,464,794.20 = 12,141,901.20/x
  3. Step 3: Cross multiply
    12,309,862.80x = 18,464,794.20 × 12,141,901.20
  4. Step 4: Simplify right side
    12,309,862.80x = 224,197,706,854,733.03
  5. Step 5: Solve for x
    x = 224,197,706,854,733.03/12,309,862.80
  6. Step 6: Final answer
    x = 18,212,851.80

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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.