Home / 9,108,248.61-12,569,039.61-4,978,246.28

Finding the Fourth Proportional to 9,108,248.61, 12,569,039.61 and 4,978,246.28

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Solution

The fourth proportional to 9,108,248.61, 12,569,039.61 and 4,978,246.28 is: 6,869,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,248.61 : 12,569,039.61 = 4,978,246.28 : x
  2. Step 2: Convert to fraction form
    9,108,248.61/12,569,039.61 = 4,978,246.28/x
  3. Step 3: Cross multiply
    9,108,248.61x = 12,569,039.61 × 4,978,246.28
  4. Step 4: Simplify right side
    9,108,248.61x = 62,571,774,618,809.95
  5. Step 5: Solve for x
    x = 62,571,774,618,809.95/9,108,248.61
  6. Step 6: Final answer
    x = 6,869,792.13

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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.