Home / 38,211,314.56-52,731,617.60-20,807,654.72

Finding the Fourth Proportional to 38,211,314.56, 52,731,617.60 and 20,807,654.72

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Solution

The fourth proportional to 38,211,314.56, 52,731,617.60 and 20,807,654.72 is: 28,714,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211,314.56 : 52,731,617.60 = 20,807,654.72 : x
  2. Step 2: Convert to fraction form
    38,211,314.56/52,731,617.60 = 20,807,654.72/x
  3. Step 3: Cross multiply
    38,211,314.56x = 52,731,617.60 × 20,807,654.72
  4. Step 4: Simplify right side
    38,211,314.56x = 1,097,221,291,847,875
  5. Step 5: Solve for x
    x = 1,097,221,291,847,875/38,211,314.56
  6. Step 6: Final answer
    x = 28,714,565.42

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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.