Home / 7,189,127.15-10,788,892.74-2,812,913.82

Finding the Fourth Proportional to 7,189,127.15, 10,788,892.74 and 2,812,913.82

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Solution

The fourth proportional to 7,189,127.15, 10,788,892.74 and 2,812,913.82 is: 4,221,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189,127.15 : 10,788,892.74 = 2,812,913.82 : x
  2. Step 2: Convert to fraction form
    7,189,127.15/10,788,892.74 = 2,812,913.82/x
  3. Step 3: Cross multiply
    7,189,127.15x = 10,788,892.74 × 2,812,913.82
  4. Step 4: Simplify right side
    7,189,127.15x = 30,348,225,490,843.66
  5. Step 5: Solve for x
    x = 30,348,225,490,843.66/7,189,127.15
  6. Step 6: Final answer
    x = 4,221,406.14

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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.