Home / 12,461,505.70-18,711,504.15-6,792,801.70

Finding the Fourth Proportional to 12,461,505.70, 18,711,504.15 and 6,792,801.70

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Solution

The fourth proportional to 12,461,505.70, 18,711,504.15 and 6,792,801.70 is: 10,199,693.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,505.70 : 18,711,504.15 = 6,792,801.70 : x
  2. Step 2: Convert to fraction form
    12,461,505.70/18,711,504.15 = 6,792,801.70/x
  3. Step 3: Cross multiply
    12,461,505.70x = 18,711,504.15 × 6,792,801.70
  4. Step 4: Simplify right side
    12,461,505.70x = 127,103,537,199,677.05
  5. Step 5: Solve for x
    x = 127,103,537,199,677.05/12,461,505.70
  6. Step 6: Final answer
    x = 10,199,693.38

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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.