Home / 31,557,714.60-47,308,923.90-21,427,487.40

Finding the Fourth Proportional to 31,557,714.60, 47,308,923.90 and 21,427,487.40

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Solution

The fourth proportional to 31,557,714.60, 47,308,923.90 and 21,427,487.40 is: 32,122,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557,714.60 : 47,308,923.90 = 21,427,487.40 : x
  2. Step 2: Convert to fraction form
    31,557,714.60/47,308,923.90 = 21,427,487.40/x
  3. Step 3: Cross multiply
    31,557,714.60x = 47,308,923.90 × 21,427,487.40
  4. Step 4: Simplify right side
    31,557,714.60x = 1,013,711,370,774,808.75
  5. Step 5: Solve for x
    x = 1,013,711,370,774,808.75/31,557,714.60
  6. Step 6: Final answer
    x = 32,122,458.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.