Home / 36,219,009.40-54,309,851.70-13,488,206.20

Finding the Fourth Proportional to 36,219,009.40, 54,309,851.70 and 13,488,206.20

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Solution

The fourth proportional to 36,219,009.40, 54,309,851.70 and 13,488,206.20 is: 20,225,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,219,009.40 : 54,309,851.70 = 13,488,206.20 : x
  2. Step 2: Convert to fraction form
    36,219,009.40/54,309,851.70 = 13,488,206.20/x
  3. Step 3: Cross multiply
    36,219,009.40x = 54,309,851.70 × 13,488,206.20
  4. Step 4: Simplify right side
    36,219,009.40x = 732,542,478,421,020.50
  5. Step 5: Solve for x
    x = 732,542,478,421,020.50/36,219,009.40
  6. Step 6: Final answer
    x = 20,225,359.29

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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.