Home / 18,423,534-27,608,007.48-7,480,416.40

Finding the Fourth Proportional to 18,423,534, 27,608,007.48 and 7,480,416.40

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Solution

The fourth proportional to 18,423,534, 27,608,007.48 and 7,480,416.40 is: 11,209,542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423,534 : 27,608,007.48 = 7,480,416.40 : x
  2. Step 2: Convert to fraction form
    18,423,534/27,608,007.48 = 7,480,416.40/x
  3. Step 3: Cross multiply
    18,423,534x = 27,608,007.48 × 7,480,416.40
  4. Step 4: Simplify right side
    18,423,534x = 206,519,391,924,714.69
  5. Step 5: Solve for x
    x = 206,519,391,924,714.69/18,423,534
  6. Step 6: Final answer
    x = 11,209,542.75

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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.