Home / 12,549,786-18,832,642.38-5,361,374.04

Finding the Fourth Proportional to 12,549,786, 18,832,642.38 and 5,361,374.04

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Solution

The fourth proportional to 12,549,786, 18,832,642.38 and 5,361,374.04 is: 8,045,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,786 : 18,832,642.38 = 5,361,374.04 : x
  2. Step 2: Convert to fraction form
    12,549,786/18,832,642.38 = 5,361,374.04/x
  3. Step 3: Cross multiply
    12,549,786x = 18,832,642.38 × 5,361,374.04
  4. Step 4: Simplify right side
    12,549,786x = 100,968,839,960,735.81
  5. Step 5: Solve for x
    x = 100,968,839,960,735.81/12,549,786
  6. Step 6: Final answer
    x = 8,045,463.08

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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.