Home / 10,215,201.28-14,097,086.40-5,631,686.68

Finding the Fourth Proportional to 10,215,201.28, 14,097,086.40 and 5,631,686.68

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Solution

The fourth proportional to 10,215,201.28, 14,097,086.40 and 5,631,686.68 is: 7,771,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,215,201.28 : 14,097,086.40 = 5,631,686.68 : x
  2. Step 2: Convert to fraction form
    10,215,201.28/14,097,086.40 = 5,631,686.68/x
  3. Step 3: Cross multiply
    10,215,201.28x = 14,097,086.40 × 5,631,686.68
  4. Step 4: Simplify right side
    10,215,201.28x = 79,390,373,705,689.16
  5. Step 5: Solve for x
    x = 79,390,373,705,689.16/10,215,201.28
  6. Step 6: Final answer
    x = 7,771,787.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.