Home / 12,642,169.20-17,446,071.96-6,840,823.92

Finding the Fourth Proportional to 12,642,169.20, 17,446,071.96 and 6,840,823.92

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Solution

The fourth proportional to 12,642,169.20, 17,446,071.96 and 6,840,823.92 is: 9,440,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,169.20 : 17,446,071.96 = 6,840,823.92 : x
  2. Step 2: Convert to fraction form
    12,642,169.20/17,446,071.96 = 6,840,823.92/x
  3. Step 3: Cross multiply
    12,642,169.20x = 17,446,071.96 × 6,840,823.92
  4. Step 4: Simplify right side
    12,642,169.20x = 119,345,506,374,009.28
  5. Step 5: Solve for x
    x = 119,345,506,374,009.28/12,642,169.20
  6. Step 6: Final answer
    x = 9,440,271.25

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1.5x scale

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.