Home / 12,711,705.60-19,067,558.40-9,109,862.40

Finding the Fourth Proportional to 12,711,705.60, 19,067,558.40 and 9,109,862.40

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Solution

The fourth proportional to 12,711,705.60, 19,067,558.40 and 9,109,862.40 is: 13,664,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711,705.60 : 19,067,558.40 = 9,109,862.40 : x
  2. Step 2: Convert to fraction form
    12,711,705.60/19,067,558.40 = 9,109,862.40/x
  3. Step 3: Cross multiply
    12,711,705.60x = 19,067,558.40 × 9,109,862.40
  4. Step 4: Simplify right side
    12,711,705.60x = 173,702,833,327,964.16
  5. Step 5: Solve for x
    x = 173,702,833,327,964.16/12,711,705.60
  6. Step 6: Final answer
    x = 13,664,793.60

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Why These Related Problems?

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