Home / 9,225,727.78-12,731,428.32-5,039,416.12

Finding the Fourth Proportional to 9,225,727.78, 12,731,428.32 and 5,039,416.12

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Solution

The fourth proportional to 9,225,727.78, 12,731,428.32 and 5,039,416.12 is: 6,954,352.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225,727.78 : 12,731,428.32 = 5,039,416.12 : x
  2. Step 2: Convert to fraction form
    9,225,727.78/12,731,428.32 = 5,039,416.12/x
  3. Step 3: Cross multiply
    9,225,727.78x = 12,731,428.32 × 5,039,416.12
  4. Step 4: Simplify right side
    9,225,727.78x = 64,158,965,106,432.52
  5. Step 5: Solve for x
    x = 64,158,965,106,432.52/9,225,727.78
  6. Step 6: Final answer
    x = 6,954,352.72

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1.5x scale

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.