Home / 8,921,157.55-12,311,806.57-5,053,710.49

Finding the Fourth Proportional to 8,921,157.55, 12,311,806.57 and 5,053,710.49

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Solution

The fourth proportional to 8,921,157.55, 12,311,806.57 and 5,053,710.49 is: 6,974,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,157.55 : 12,311,806.57 = 5,053,710.49 : x
  2. Step 2: Convert to fraction form
    8,921,157.55/12,311,806.57 = 5,053,710.49/x
  3. Step 3: Cross multiply
    8,921,157.55x = 12,311,806.57 × 5,053,710.49
  4. Step 4: Simplify right side
    8,921,157.55x = 62,220,305,984,457.16
  5. Step 5: Solve for x
    x = 62,220,305,984,457.16/8,921,157.55
  6. Step 6: Final answer
    x = 6,974,465.55

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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.