Home / 8,875,963.85-13,313,945.78-7,280,328.65

Finding the Fourth Proportional to 8,875,963.85, 13,313,945.78 and 7,280,328.65

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Solution

The fourth proportional to 8,875,963.85, 13,313,945.78 and 7,280,328.65 is: 10,920,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875,963.85 : 13,313,945.78 = 7,280,328.65 : x
  2. Step 2: Convert to fraction form
    8,875,963.85/13,313,945.78 = 7,280,328.65/x
  3. Step 3: Cross multiply
    8,875,963.85x = 13,313,945.78 × 7,280,328.65
  4. Step 4: Simplify right side
    8,875,963.85x = 96,929,900,870,278.97
  5. Step 5: Solve for x
    x = 96,929,900,870,278.97/8,875,963.85
  6. Step 6: Final answer
    x = 10,920,492.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.