Home / 27,766,319.05-38,318,724.76-15,376,412.47

Finding the Fourth Proportional to 27,766,319.05, 38,318,724.76 and 15,376,412.47

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Solution

The fourth proportional to 27,766,319.05, 38,318,724.76 and 15,376,412.47 is: 21,220,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,766,319.05 : 38,318,724.76 = 15,376,412.47 : x
  2. Step 2: Convert to fraction form
    27,766,319.05/38,318,724.76 = 15,376,412.47/x
  3. Step 3: Cross multiply
    27,766,319.05x = 38,318,724.76 × 15,376,412.47
  4. Step 4: Simplify right side
    27,766,319.05x = 589,204,517,200,602.25
  5. Step 5: Solve for x
    x = 589,204,517,200,602.25/27,766,319.05
  6. Step 6: Final answer
    x = 21,220,116.22

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1.5x scale

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.