Home / 48,563,408.40-72,843,427.80-12,172,117.20

Finding the Fourth Proportional to 48,563,408.40, 72,843,427.80 and 12,172,117.20

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Solution

The fourth proportional to 48,563,408.40, 72,843,427.80 and 12,172,117.20 is: 18,257,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,563,408.40 : 72,843,427.80 = 12,172,117.20 : x
  2. Step 2: Convert to fraction form
    48,563,408.40/72,843,427.80 = 12,172,117.20/x
  3. Step 3: Cross multiply
    48,563,408.40x = 72,843,427.80 × 12,172,117.20
  4. Step 4: Simplify right side
    48,563,408.40x = 886,658,740,431,338.12
  5. Step 5: Solve for x
    x = 886,658,740,431,338.12/48,563,408.40
  6. Step 6: Final answer
    x = 18,257,753.52

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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.