Home / 12,460,255.80-18,653,058.90-7,408,966.20

Finding the Fourth Proportional to 12,460,255.80, 18,653,058.90 and 7,408,966.20

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Solution

The fourth proportional to 12,460,255.80, 18,653,058.90 and 7,408,966.20 is: 11,091,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460,255.80 : 18,653,058.90 = 7,408,966.20 : x
  2. Step 2: Convert to fraction form
    12,460,255.80/18,653,058.90 = 7,408,966.20/x
  3. Step 3: Cross multiply
    12,460,255.80x = 18,653,058.90 × 7,408,966.20
  4. Step 4: Simplify right side
    12,460,255.80x = 138,199,882,916,709.17
  5. Step 5: Solve for x
    x = 138,199,882,916,709.17/12,460,255.80
  6. Step 6: Final answer
    x = 11,091,255.68

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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.