Home / 20,219,837.10-30,329,755.65-13,417,392.30

Finding the Fourth Proportional to 20,219,837.10, 30,329,755.65 and 13,417,392.30

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Solution

The fourth proportional to 20,219,837.10, 30,329,755.65 and 13,417,392.30 is: 20,126,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,837.10 : 30,329,755.65 = 13,417,392.30 : x
  2. Step 2: Convert to fraction form
    20,219,837.10/30,329,755.65 = 13,417,392.30/x
  3. Step 3: Cross multiply
    20,219,837.10x = 30,329,755.65 × 13,417,392.30
  4. Step 4: Simplify right side
    20,219,837.10x = 406,946,229,919,191.50
  5. Step 5: Solve for x
    x = 406,946,229,919,191.50/20,219,837.10
  6. Step 6: Final answer
    x = 20,126,088.45

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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.