Home / 6,515,972.52-8,960,155.62-5,655,038.10

Finding the Fourth Proportional to 6,515,972.52, 8,960,155.62 and 5,655,038.10

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Solution

The fourth proportional to 6,515,972.52, 8,960,155.62 and 5,655,038.10 is: 7,776,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515,972.52 : 8,960,155.62 = 5,655,038.10 : x
  2. Step 2: Convert to fraction form
    6,515,972.52/8,960,155.62 = 5,655,038.10/x
  3. Step 3: Cross multiply
    6,515,972.52x = 8,960,155.62 × 5,655,038.10
  4. Step 4: Simplify right side
    6,515,972.52x = 50,670,021,413,029.12
  5. Step 5: Solve for x
    x = 50,670,021,413,029.12/6,515,972.52
  6. Step 6: Final answer
    x = 7,776,279.18

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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.