Home / 10,752,720.40-16,129,080.60-9,931,574.80

Finding the Fourth Proportional to 10,752,720.40, 16,129,080.60 and 9,931,574.80

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Solution

The fourth proportional to 10,752,720.40, 16,129,080.60 and 9,931,574.80 is: 14,897,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,720.40 : 16,129,080.60 = 9,931,574.80 : x
  2. Step 2: Convert to fraction form
    10,752,720.40/16,129,080.60 = 9,931,574.80/x
  3. Step 3: Cross multiply
    10,752,720.40x = 16,129,080.60 × 9,931,574.80
  4. Step 4: Simplify right side
    10,752,720.40x = 160,187,170,434,128.88
  5. Step 5: Solve for x
    x = 160,187,170,434,128.88/10,752,720.40
  6. Step 6: Final answer
    x = 14,897,362.20

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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.