Home / 7,360,702.82-10,157,057.42-5,428,003.94

Finding the Fourth Proportional to 7,360,702.82, 10,157,057.42 and 5,428,003.94

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Solution

The fourth proportional to 7,360,702.82, 10,157,057.42 and 5,428,003.94 is: 7,490,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360,702.82 : 10,157,057.42 = 5,428,003.94 : x
  2. Step 2: Convert to fraction form
    7,360,702.82/10,157,057.42 = 5,428,003.94/x
  3. Step 3: Cross multiply
    7,360,702.82x = 10,157,057.42 × 5,428,003.94
  4. Step 4: Simplify right side
    7,360,702.82x = 55,132,547,694,566.24
  5. Step 5: Solve for x
    x = 55,132,547,694,566.24/7,360,702.82
  6. Step 6: Final answer
    x = 7,490,120.04

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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.