Home / 18,189,274.90-25,101,793.46-9,929,777.60

Finding the Fourth Proportional to 18,189,274.90, 25,101,793.46 and 9,929,777.60

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Solution

The fourth proportional to 18,189,274.90, 25,101,793.46 and 9,929,777.60 is: 13,703,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189,274.90 : 25,101,793.46 = 9,929,777.60 : x
  2. Step 2: Convert to fraction form
    18,189,274.90/25,101,793.46 = 9,929,777.60/x
  3. Step 3: Cross multiply
    18,189,274.90x = 25,101,793.46 × 9,929,777.60
  4. Step 4: Simplify right side
    18,189,274.90x = 249,255,226,418,934.50
  5. Step 5: Solve for x
    x = 249,255,226,418,934.50/18,189,274.90
  6. Step 6: Final answer
    x = 13,703,417.41

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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.