Home / 10,874,986.70-16,312,480.05-7,291,805.90

Finding the Fourth Proportional to 10,874,986.70, 16,312,480.05 and 7,291,805.90

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Solution

The fourth proportional to 10,874,986.70, 16,312,480.05 and 7,291,805.90 is: 10,937,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874,986.70 : 16,312,480.05 = 7,291,805.90 : x
  2. Step 2: Convert to fraction form
    10,874,986.70/16,312,480.05 = 7,291,805.90/x
  3. Step 3: Cross multiply
    10,874,986.70x = 16,312,480.05 × 7,291,805.90
  4. Step 4: Simplify right side
    10,874,986.70x = 118,947,438,272,222.31
  5. Step 5: Solve for x
    x = 118,947,438,272,222.31/10,874,986.70
  6. Step 6: Final answer
    x = 10,937,708.85

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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.