Home / 10,631,999.70-15,947,999.55-9,810,854.10

Finding the Fourth Proportional to 10,631,999.70, 15,947,999.55 and 9,810,854.10

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Solution

The fourth proportional to 10,631,999.70, 15,947,999.55 and 9,810,854.10 is: 14,716,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,999.70 : 15,947,999.55 = 9,810,854.10 : x
  2. Step 2: Convert to fraction form
    10,631,999.70/15,947,999.55 = 9,810,854.10/x
  3. Step 3: Cross multiply
    10,631,999.70x = 15,947,999.55 × 9,810,854.10
  4. Step 4: Simplify right side
    10,631,999.70x = 156,463,496,771,915.66
  5. Step 5: Solve for x
    x = 156,463,496,771,915.66/10,631,999.70
  6. Step 6: Final answer
    x = 14,716,281.15

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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.