Home / 12,406,416.42-17,118,324.86-7,248,781.92

Finding the Fourth Proportional to 12,406,416.42, 17,118,324.86 and 7,248,781.92

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Solution

The fourth proportional to 12,406,416.42, 17,118,324.86 and 7,248,781.92 is: 10,001,840.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406,416.42 : 17,118,324.86 = 7,248,781.92 : x
  2. Step 2: Convert to fraction form
    12,406,416.42/17,118,324.86 = 7,248,781.92/x
  3. Step 3: Cross multiply
    12,406,416.42x = 17,118,324.86 × 7,248,781.92
  4. Step 4: Simplify right side
    12,406,416.42x = 124,087,003,745,854.53
  5. Step 5: Solve for x
    x = 124,087,003,745,854.53/12,406,416.42
  6. Step 6: Final answer
    x = 10,001,840.95

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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.