Home / 5,107,570.15-7,663,612.02-2,678,143.18

Finding the Fourth Proportional to 5,107,570.15, 7,663,612.02 and 2,678,143.18

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Solution

The fourth proportional to 5,107,570.15, 7,663,612.02 and 2,678,143.18 is: 4,018,398.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,570.15 : 7,663,612.02 = 2,678,143.18 : x
  2. Step 2: Convert to fraction form
    5,107,570.15/7,663,612.02 = 2,678,143.18/x
  3. Step 3: Cross multiply
    5,107,570.15x = 7,663,612.02 × 2,678,143.18
  4. Step 4: Simplify right side
    5,107,570.15x = 20,524,250,265,529.02
  5. Step 5: Solve for x
    x = 20,524,250,265,529.02/5,107,570.15
  6. Step 6: Final answer
    x = 4,018,398.12

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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.