Home / 9,044,449.28-12,482,417.96-5,178,212.36

Finding the Fourth Proportional to 9,044,449.28, 12,482,417.96 and 5,178,212.36

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Solution

The fourth proportional to 9,044,449.28, 12,482,417.96 and 5,178,212.36 is: 7,146,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,044,449.28 : 12,482,417.96 = 5,178,212.36 : x
  2. Step 2: Convert to fraction form
    9,044,449.28/12,482,417.96 = 5,178,212.36/x
  3. Step 3: Cross multiply
    9,044,449.28x = 12,482,417.96 × 5,178,212.36
  4. Step 4: Simplify right side
    9,044,449.28x = 64,636,610,874,854.84
  5. Step 5: Solve for x
    x = 64,636,610,874,854.84/9,044,449.28
  6. Step 6: Final answer
    x = 7,146,550.21

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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.