Home / 27,711,611.19-38,243,356.34-15,321,475.35

Finding the Fourth Proportional to 27,711,611.19, 38,243,356.34 and 15,321,475.35

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Solution

The fourth proportional to 27,711,611.19, 38,243,356.34 and 15,321,475.35 is: 21,144,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711,611.19 : 38,243,356.34 = 15,321,475.35 : x
  2. Step 2: Convert to fraction form
    27,711,611.19/38,243,356.34 = 15,321,475.35/x
  3. Step 3: Cross multiply
    27,711,611.19x = 38,243,356.34 × 15,321,475.35
  4. Step 4: Simplify right side
    27,711,611.19x = 585,944,641,387,968.88
  5. Step 5: Solve for x
    x = 585,944,641,387,968.88/27,711,611.19
  6. Step 6: Final answer
    x = 21,144,372.93

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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.