Home / 14,380,464.40-19,845,470.61-7,854,401.72

Finding the Fourth Proportional to 14,380,464.40, 19,845,470.61 and 7,854,401.72

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Solution

The fourth proportional to 14,380,464.40, 19,845,470.61 and 7,854,401.72 is: 10,839,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380,464.40 : 19,845,470.61 = 7,854,401.72 : x
  2. Step 2: Convert to fraction form
    14,380,464.40/19,845,470.61 = 7,854,401.72/x
  3. Step 3: Cross multiply
    14,380,464.40x = 19,845,470.61 × 7,854,401.72
  4. Step 4: Simplify right side
    14,380,464.40x = 155,874,298,543,007.12
  5. Step 5: Solve for x
    x = 155,874,298,543,007.12/14,380,464.40
  6. Step 6: Final answer
    x = 10,839,309.10

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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.