Home / 7,989,153.36-11,025,248.16-4,891,617.78

Finding the Fourth Proportional to 7,989,153.36, 11,025,248.16 and 4,891,617.78

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Solution

The fourth proportional to 7,989,153.36, 11,025,248.16 and 4,891,617.78 is: 6,750,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989,153.36 : 11,025,248.16 = 4,891,617.78 : x
  2. Step 2: Convert to fraction form
    7,989,153.36/11,025,248.16 = 4,891,617.78/x
  3. Step 3: Cross multiply
    7,989,153.36x = 11,025,248.16 × 4,891,617.78
  4. Step 4: Simplify right side
    7,989,153.36x = 53,931,299,928,368.29
  5. Step 5: Solve for x
    x = 53,931,299,928,368.29/7,989,153.36
  6. Step 6: Final answer
    x = 6,750,565.11

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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.