Home / 8,888,721.30-12,267,430.89-5,021,491.57

Finding the Fourth Proportional to 8,888,721.30, 12,267,430.89 and 5,021,491.57

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Solution

The fourth proportional to 8,888,721.30, 12,267,430.89 and 5,021,491.57 is: 6,930,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888,721.30 : 12,267,430.89 = 5,021,491.57 : x
  2. Step 2: Convert to fraction form
    8,888,721.30/12,267,430.89 = 5,021,491.57/x
  3. Step 3: Cross multiply
    8,888,721.30x = 12,267,430.89 × 5,021,491.57
  4. Step 4: Simplify right side
    8,888,721.30x = 61,600,800,833,318.16
  5. Step 5: Solve for x
    x = 61,600,800,833,318.16/8,888,721.30
  6. Step 6: Final answer
    x = 6,930,220.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.