Home / 8,487,520.16-11,712,927.36-4,620,152.48

Finding the Fourth Proportional to 8,487,520.16, 11,712,927.36 and 4,620,152.48

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Solution

The fourth proportional to 8,487,520.16, 11,712,927.36 and 4,620,152.48 is: 6,375,891.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487,520.16 : 11,712,927.36 = 4,620,152.48 : x
  2. Step 2: Convert to fraction form
    8,487,520.16/11,712,927.36 = 4,620,152.48/x
  3. Step 3: Cross multiply
    8,487,520.16x = 11,712,927.36 × 4,620,152.48
  4. Step 4: Simplify right side
    8,487,520.16x = 54,115,510,390,363.85
  5. Step 5: Solve for x
    x = 54,115,510,390,363.85/8,487,520.16
  6. Step 6: Final answer
    x = 6,375,891.82

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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.