Home / 7,188,528-9,912,081.60-5,877,690.24

Finding the Fourth Proportional to 7,188,528, 9,912,081.60 and 5,877,690.24

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Solution

The fourth proportional to 7,188,528, 9,912,081.60 and 5,877,690.24 is: 8,104,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188,528 : 9,912,081.60 = 5,877,690.24 : x
  2. Step 2: Convert to fraction form
    7,188,528/9,912,081.60 = 5,877,690.24/x
  3. Step 3: Cross multiply
    7,188,528x = 9,912,081.60 × 5,877,690.24
  4. Step 4: Simplify right side
    7,188,528x = 58,260,145,278,403.59
  5. Step 5: Solve for x
    x = 58,260,145,278,403.59/7,188,528
  6. Step 6: Final answer
    x = 8,104,600.17

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Double scale
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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.