Home / 10,010,246.40-15,015,369.60-7,618,761.90

Finding the Fourth Proportional to 10,010,246.40, 15,015,369.60 and 7,618,761.90

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Solution

The fourth proportional to 10,010,246.40, 15,015,369.60 and 7,618,761.90 is: 11,428,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010,246.40 : 15,015,369.60 = 7,618,761.90 : x
  2. Step 2: Convert to fraction form
    10,010,246.40/15,015,369.60 = 7,618,761.90/x
  3. Step 3: Cross multiply
    10,010,246.40x = 15,015,369.60 × 7,618,761.90
  4. Step 4: Simplify right side
    10,010,246.40x = 114,398,525,822,898.25
  5. Step 5: Solve for x
    x = 114,398,525,822,898.25/10,010,246.40
  6. Step 6: Final answer
    x = 11,428,142.85

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1.5x scale

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.