Home / 12,882,599.01-17,778,023.60-7,376,058.32

Finding the Fourth Proportional to 12,882,599.01, 17,778,023.60 and 7,376,058.32

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Solution

The fourth proportional to 12,882,599.01, 17,778,023.60 and 7,376,058.32 is: 10,178,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,599.01 : 17,778,023.60 = 7,376,058.32 : x
  2. Step 2: Convert to fraction form
    12,882,599.01/17,778,023.60 = 7,376,058.32/x
  3. Step 3: Cross multiply
    12,882,599.01x = 17,778,023.60 × 7,376,058.32
  4. Step 4: Simplify right side
    12,882,599.01x = 131,131,738,762,165.94
  5. Step 5: Solve for x
    x = 131,131,738,762,165.94/12,882,599.01
  6. Step 6: Final answer
    x = 10,178,981.64

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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.