Home / 5,105,087.40-7,657,631.10-4,979,116.20

Finding the Fourth Proportional to 5,105,087.40, 7,657,631.10 and 4,979,116.20

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Solution

The fourth proportional to 5,105,087.40, 7,657,631.10 and 4,979,116.20 is: 7,468,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,087.40 : 7,657,631.10 = 4,979,116.20 : x
  2. Step 2: Convert to fraction form
    5,105,087.40/7,657,631.10 = 4,979,116.20/x
  3. Step 3: Cross multiply
    5,105,087.40x = 7,657,631.10 × 4,979,116.20
  4. Step 4: Simplify right side
    5,105,087.40x = 38,128,235,063,633.82
  5. Step 5: Solve for x
    x = 38,128,235,063,633.82/5,105,087.40
  6. Step 6: Final answer
    x = 7,468,674.30

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1.5x scale

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.