Home / 10,920,020.80-16,380,031.20-10,752,059.20

Finding the Fourth Proportional to 10,920,020.80, 16,380,031.20 and 10,752,059.20

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Solution

The fourth proportional to 10,920,020.80, 16,380,031.20 and 10,752,059.20 is: 16,128,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,020.80 : 16,380,031.20 = 10,752,059.20 : x
  2. Step 2: Convert to fraction form
    10,920,020.80/16,380,031.20 = 10,752,059.20/x
  3. Step 3: Cross multiply
    10,920,020.80x = 16,380,031.20 × 10,752,059.20
  4. Step 4: Simplify right side
    10,920,020.80x = 176,119,065,160,247.03
  5. Step 5: Solve for x
    x = 176,119,065,160,247.03/10,920,020.80
  6. Step 6: Final answer
    x = 16,128,088.80

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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.