Home / 8,209,266.40-11,328,711.60-4,538,411.20

Finding the Fourth Proportional to 8,209,266.40, 11,328,711.60 and 4,538,411.20

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Solution

The fourth proportional to 8,209,266.40, 11,328,711.60 and 4,538,411.20 is: 6,262,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209,266.40 : 11,328,711.60 = 4,538,411.20 : x
  2. Step 2: Convert to fraction form
    8,209,266.40/11,328,711.60 = 4,538,411.20/x
  3. Step 3: Cross multiply
    8,209,266.40x = 11,328,711.60 × 4,538,411.20
  4. Step 4: Simplify right side
    8,209,266.40x = 51,414,351,607,009.92
  5. Step 5: Solve for x
    x = 51,414,351,607,009.92/8,209,266.40
  6. Step 6: Final answer
    x = 6,262,965.42

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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.