Home / 10,726,428.20-16,090,031.10-3,154,159.40

Finding the Fourth Proportional to 10,726,428.20, 16,090,031.10 and 3,154,159.40

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Solution

The fourth proportional to 10,726,428.20, 16,090,031.10 and 3,154,159.40 is: 4,731,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726,428.20 : 16,090,031.10 = 3,154,159.40 : x
  2. Step 2: Convert to fraction form
    10,726,428.20/16,090,031.10 = 3,154,159.40/x
  3. Step 3: Cross multiply
    10,726,428.20x = 16,090,031.10 × 3,154,159.40
  4. Step 4: Simplify right side
    10,726,428.20x = 50,750,522,840,357.34
  5. Step 5: Solve for x
    x = 50,750,522,840,357.34/10,726,428.20
  6. Step 6: Final answer
    x = 4,731,353.43

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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.