Home / 9,225,709.78-12,731,403.48-5,039,398.12

Finding the Fourth Proportional to 9,225,709.78, 12,731,403.48 and 5,039,398.12

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Solution

The fourth proportional to 9,225,709.78, 12,731,403.48 and 5,039,398.12 is: 6,954,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225,709.78 : 12,731,403.48 = 5,039,398.12 : x
  2. Step 2: Convert to fraction form
    9,225,709.78/12,731,403.48 = 5,039,398.12/x
  3. Step 3: Cross multiply
    9,225,709.78x = 12,731,403.48 × 5,039,398.12
  4. Step 4: Simplify right side
    9,225,709.78x = 64,158,610,762,073.46
  5. Step 5: Solve for x
    x = 64,158,610,762,073.46/9,225,709.78
  6. Step 6: Final answer
    x = 6,954,327.88

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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.