Home / 8,954,545.78-12,357,315.75-5,087,279.14

Finding the Fourth Proportional to 8,954,545.78, 12,357,315.75 and 5,087,279.14

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Solution

The fourth proportional to 8,954,545.78, 12,357,315.75 and 5,087,279.14 is: 7,020,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954,545.78 : 12,357,315.75 = 5,087,279.14 : x
  2. Step 2: Convert to fraction form
    8,954,545.78/12,357,315.75 = 5,087,279.14/x
  3. Step 3: Cross multiply
    8,954,545.78x = 12,357,315.75 × 5,087,279.14
  4. Step 4: Simplify right side
    8,954,545.78x = 62,865,114,641,368.45
  5. Step 5: Solve for x
    x = 62,865,114,641,368.45/8,954,545.78
  6. Step 6: Final answer
    x = 7,020,469.40

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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.