Home / 10,134,895.30-13,985,982.65-5,488,642.58

Finding the Fourth Proportional to 10,134,895.30, 13,985,982.65 and 5,488,642.58

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Solution

The fourth proportional to 10,134,895.30, 13,985,982.65 and 5,488,642.58 is: 7,574,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,895.30 : 13,985,982.65 = 5,488,642.58 : x
  2. Step 2: Convert to fraction form
    10,134,895.30/13,985,982.65 = 5,488,642.58/x
  3. Step 3: Cross multiply
    10,134,895.30x = 13,985,982.65 × 5,488,642.58
  4. Step 4: Simplify right side
    10,134,895.30x = 76,764,059,863,624.45
  5. Step 5: Solve for x
    x = 76,764,059,863,624.45/10,134,895.30
  6. Step 6: Final answer
    x = 7,574,233.14

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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.