Home / 38,216,473.12-52,738,365.90-20,813,109.04

Finding the Fourth Proportional to 38,216,473.12, 52,738,365.90 and 20,813,109.04

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Solution

The fourth proportional to 38,216,473.12, 52,738,365.90 and 20,813,109.04 is: 28,721,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,216,473.12 : 52,738,365.90 = 20,813,109.04 : x
  2. Step 2: Convert to fraction form
    38,216,473.12/52,738,365.90 = 20,813,109.04/x
  3. Step 3: Cross multiply
    38,216,473.12x = 52,738,365.90 × 20,813,109.04
  4. Step 4: Simplify right side
    38,216,473.12x = 1,097,649,360,068,117.62
  5. Step 5: Solve for x
    x = 1,097,649,360,068,117.62/38,216,473.12
  6. Step 6: Final answer
    x = 28,721,890.60

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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.