Home / 12,526,283.60-18,789,425.40-10,400,613.20

Finding the Fourth Proportional to 12,526,283.60, 18,789,425.40 and 10,400,613.20

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Solution

The fourth proportional to 12,526,283.60, 18,789,425.40 and 10,400,613.20 is: 15,600,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526,283.60 : 18,789,425.40 = 10,400,613.20 : x
  2. Step 2: Convert to fraction form
    12,526,283.60/18,789,425.40 = 10,400,613.20/x
  3. Step 3: Cross multiply
    12,526,283.60x = 18,789,425.40 × 10,400,613.20
  4. Step 4: Simplify right side
    12,526,283.60x = 195,421,545,835,655.25
  5. Step 5: Solve for x
    x = 195,421,545,835,655.25/12,526,283.60
  6. Step 6: Final answer
    x = 15,600,919.80

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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.