Home / 8,872,400.21-12,243,818.45-5,006,179.49

Finding the Fourth Proportional to 8,872,400.21, 12,243,818.45 and 5,006,179.49

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Solution

The fourth proportional to 8,872,400.21, 12,243,818.45 and 5,006,179.49 is: 6,908,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872,400.21 : 12,243,818.45 = 5,006,179.49 : x
  2. Step 2: Convert to fraction form
    8,872,400.21/12,243,818.45 = 5,006,179.49/x
  3. Step 3: Cross multiply
    8,872,400.21x = 12,243,818.45 × 5,006,179.49
  4. Step 4: Simplify right side
    8,872,400.21x = 61,294,752,754,969.95
  5. Step 5: Solve for x
    x = 61,294,752,754,969.95/8,872,400.21
  6. Step 6: Final answer
    x = 6,908,474.75

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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.