Home / 9,312,865.38-12,851,581.68-5,182,860.06

Finding the Fourth Proportional to 9,312,865.38, 12,851,581.68 and 5,182,860.06

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Solution

The fourth proportional to 9,312,865.38, 12,851,581.68 and 5,182,860.06 is: 7,152,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312,865.38 : 12,851,581.68 = 5,182,860.06 : x
  2. Step 2: Convert to fraction form
    9,312,865.38/12,851,581.68 = 5,182,860.06/x
  3. Step 3: Cross multiply
    9,312,865.38x = 12,851,581.68 × 5,182,860.06
  4. Step 4: Simplify right side
    9,312,865.38x = 66,607,949,397,099.70
  5. Step 5: Solve for x
    x = 66,607,949,397,099.70/9,312,865.38
  6. Step 6: Final answer
    x = 7,152,250.86

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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.