Home / 12,882,599.08-17,778,023.64-7,376,058.44

Finding the Fourth Proportional to 12,882,599.08, 17,778,023.64 and 7,376,058.44

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Solution

The fourth proportional to 12,882,599.08, 17,778,023.64 and 7,376,058.44 is: 10,178,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,599.08 : 17,778,023.64 = 7,376,058.44 : x
  2. Step 2: Convert to fraction form
    12,882,599.08/17,778,023.64 = 7,376,058.44/x
  3. Step 3: Cross multiply
    12,882,599.08x = 17,778,023.64 × 7,376,058.44
  4. Step 4: Simplify right side
    12,882,599.08x = 131,131,741,316,341.53
  5. Step 5: Solve for x
    x = 131,131,741,316,341.53/12,882,599.08
  6. Step 6: Final answer
    x = 10,178,981.78

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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.