Home / 15,768,693.52-21,759,493.68-8,894,865.04

Finding the Fourth Proportional to 15,768,693.52, 21,759,493.68 and 8,894,865.04

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Solution

The fourth proportional to 15,768,693.52, 21,759,493.68 and 8,894,865.04 is: 12,274,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768,693.52 : 21,759,493.68 = 8,894,865.04 : x
  2. Step 2: Convert to fraction form
    15,768,693.52/21,759,493.68 = 8,894,865.04/x
  3. Step 3: Cross multiply
    15,768,693.52x = 21,759,493.68 × 8,894,865.04
  4. Step 4: Simplify right side
    15,768,693.52x = 193,547,759,622,332.94
  5. Step 5: Solve for x
    x = 193,547,759,622,332.94/15,768,693.52
  6. Step 6: Final answer
    x = 12,274,178.54

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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.