Home / 8,209,316.49-12,315,981.51-5,785,198.17

Finding the Fourth Proportional to 8,209,316.49, 12,315,981.51 and 5,785,198.17

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Solution

The fourth proportional to 8,209,316.49, 12,315,981.51 and 5,785,198.17 is: 8,679,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209,316.49 : 12,315,981.51 = 5,785,198.17 : x
  2. Step 2: Convert to fraction form
    8,209,316.49/12,315,981.51 = 5,785,198.17/x
  3. Step 3: Cross multiply
    8,209,316.49x = 12,315,981.51 × 5,785,198.17
  4. Step 4: Simplify right side
    8,209,316.49x = 71,250,393,693,405.83
  5. Step 5: Solve for x
    x = 71,250,393,693,405.83/8,209,316.49
  6. Step 6: Final answer
    x = 8,679,211.45

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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.