Home / 10,012,387.80-15,018,581.70-3,280,801.80

Finding the Fourth Proportional to 10,012,387.80, 15,018,581.70 and 3,280,801.80

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Solution

The fourth proportional to 10,012,387.80, 15,018,581.70 and 3,280,801.80 is: 4,921,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012,387.80 : 15,018,581.70 = 3,280,801.80 : x
  2. Step 2: Convert to fraction form
    10,012,387.80/15,018,581.70 = 3,280,801.80/x
  3. Step 3: Cross multiply
    10,012,387.80x = 15,018,581.70 × 3,280,801.80
  4. Step 4: Simplify right side
    10,012,387.80x = 49,272,989,874,807.05
  5. Step 5: Solve for x
    x = 49,272,989,874,807.05/10,012,387.80
  6. Step 6: Final answer
    x = 4,921,202.70

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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.