Home / 15,042,995.28-20,759,214.60-8,167,338

Finding the Fourth Proportional to 15,042,995.28, 20,759,214.60 and 8,167,338

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Solution

The fourth proportional to 15,042,995.28, 20,759,214.60 and 8,167,338 is: 11,270,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042,995.28 : 20,759,214.60 = 8,167,338 : x
  2. Step 2: Convert to fraction form
    15,042,995.28/20,759,214.60 = 8,167,338/x
  3. Step 3: Cross multiply
    15,042,995.28x = 20,759,214.60 × 8,167,338
  4. Step 4: Simplify right side
    15,042,995.28x = 169,547,522,252,734.81
  5. Step 5: Solve for x
    x = 169,547,522,252,734.81/15,042,995.28
  6. Step 6: Final answer
    x = 11,270,861.89

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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.