Home / 12,935,362.60-19,403,043.90-10,080,015.40

Finding the Fourth Proportional to 12,935,362.60, 19,403,043.90 and 10,080,015.40

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Solution

The fourth proportional to 12,935,362.60, 19,403,043.90 and 10,080,015.40 is: 15,120,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935,362.60 : 19,403,043.90 = 10,080,015.40 : x
  2. Step 2: Convert to fraction form
    12,935,362.60/19,403,043.90 = 10,080,015.40/x
  3. Step 3: Cross multiply
    12,935,362.60x = 19,403,043.90 × 10,080,015.40
  4. Step 4: Simplify right side
    12,935,362.60x = 195,582,981,318,876.06
  5. Step 5: Solve for x
    x = 195,582,981,318,876.06/12,935,362.60
  6. Step 6: Final answer
    x = 15,120,023.10

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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.