Home / 10,434,026.40-15,658,815.60-5,382,736.80

Finding the Fourth Proportional to 10,434,026.40, 15,658,815.60 and 5,382,736.80

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Solution

The fourth proportional to 10,434,026.40, 15,658,815.60 and 5,382,736.80 is: 8,078,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434,026.40 : 15,658,815.60 = 5,382,736.80 : x
  2. Step 2: Convert to fraction form
    10,434,026.40/15,658,815.60 = 5,382,736.80/x
  3. Step 3: Cross multiply
    10,434,026.40x = 15,658,815.60 × 5,382,736.80
  4. Step 4: Simplify right side
    10,434,026.40x = 84,287,282,974,534.08
  5. Step 5: Solve for x
    x = 84,287,282,974,534.08/10,434,026.40
  6. Step 6: Final answer
    x = 8,078,116.71

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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.