Home / 7,887,988.50-10,885,138.22-4,949,389.64

Finding the Fourth Proportional to 7,887,988.50, 10,885,138.22 and 4,949,389.64

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Solution

The fourth proportional to 7,887,988.50, 10,885,138.22 and 4,949,389.64 is: 6,829,978.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,988.50 : 10,885,138.22 = 4,949,389.64 : x
  2. Step 2: Convert to fraction form
    7,887,988.50/10,885,138.22 = 4,949,389.64/x
  3. Step 3: Cross multiply
    7,887,988.50x = 10,885,138.22 × 4,949,389.64
  4. Step 4: Simplify right side
    7,887,988.50x = 53,874,790,336,036.04
  5. Step 5: Solve for x
    x = 53,874,790,336,036.04/7,887,988.50
  6. Step 6: Final answer
    x = 6,829,978.31

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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.