Home / 9,038,098.54-12,472,578.44-4,908,128.59

Finding the Fourth Proportional to 9,038,098.54, 12,472,578.44 and 4,908,128.59

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Solution

The fourth proportional to 9,038,098.54, 12,472,578.44 and 4,908,128.59 is: 6,773,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038,098.54 : 12,472,578.44 = 4,908,128.59 : x
  2. Step 2: Convert to fraction form
    9,038,098.54/12,472,578.44 = 4,908,128.59/x
  3. Step 3: Cross multiply
    9,038,098.54x = 12,472,578.44 × 4,908,128.59
  4. Step 4: Simplify right side
    9,038,098.54x = 61,217,018,813,013.27
  5. Step 5: Solve for x
    x = 61,217,018,813,013.27/9,038,098.54
  6. Step 6: Final answer
    x = 6,773,218.78

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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.