Home / 9,287,152.32-12,815,567.10-5,211,984

Finding the Fourth Proportional to 9,287,152.32, 12,815,567.10 and 5,211,984

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Solution

The fourth proportional to 9,287,152.32, 12,815,567.10 and 5,211,984 is: 7,192,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287,152.32 : 12,815,567.10 = 5,211,984 : x
  2. Step 2: Convert to fraction form
    9,287,152.32/12,815,567.10 = 5,211,984/x
  3. Step 3: Cross multiply
    9,287,152.32x = 12,815,567.10 × 5,211,984
  4. Step 4: Simplify right side
    9,287,152.32x = 66,794,530,676,126.40
  5. Step 5: Solve for x
    x = 66,794,530,676,126.40/9,287,152.32
  6. Step 6: Final answer
    x = 7,192,143.34

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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.