Home / 9,217,214.85-12,719,748.54-5,142,833.85

Finding the Fourth Proportional to 9,217,214.85, 12,719,748.54 and 5,142,833.85

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Solution

The fourth proportional to 9,217,214.85, 12,719,748.54 and 5,142,833.85 is: 7,097,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217,214.85 : 12,719,748.54 = 5,142,833.85 : x
  2. Step 2: Convert to fraction form
    9,217,214.85/12,719,748.54 = 5,142,833.85/x
  3. Step 3: Cross multiply
    9,217,214.85x = 12,719,748.54 × 5,142,833.85
  4. Step 4: Simplify right side
    9,217,214.85x = 65,415,553,355,000.07
  5. Step 5: Solve for x
    x = 65,415,553,355,000.07/9,217,214.85
  6. Step 6: Final answer
    x = 7,097,106.28

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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.