Home / 10,211,663.20-15,340,304.40-8,532,047.20

Finding the Fourth Proportional to 10,211,663.20, 15,340,304.40 and 8,532,047.20

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Solution

The fourth proportional to 10,211,663.20, 15,340,304.40 and 8,532,047.20 is: 12,817,128.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211,663.20 : 15,340,304.40 = 8,532,047.20 : x
  2. Step 2: Convert to fraction form
    10,211,663.20/15,340,304.40 = 8,532,047.20/x
  3. Step 3: Cross multiply
    10,211,663.20x = 15,340,304.40 × 8,532,047.20
  4. Step 4: Simplify right side
    10,211,663.20x = 130,884,201,203,167.67
  5. Step 5: Solve for x
    x = 130,884,201,203,167.67/10,211,663.20
  6. Step 6: Final answer
    x = 12,817,128.67

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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.