Home / 16,886,431.40-25,327,703.10-4,919,167.40

Finding the Fourth Proportional to 16,886,431.40, 25,327,703.10 and 4,919,167.40

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Solution

The fourth proportional to 16,886,431.40, 25,327,703.10 and 4,919,167.40 is: 7,378,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886,431.40 : 25,327,703.10 = 4,919,167.40 : x
  2. Step 2: Convert to fraction form
    16,886,431.40/25,327,703.10 = 4,919,167.40/x
  3. Step 3: Cross multiply
    16,886,431.40x = 25,327,703.10 × 4,919,167.40
  4. Step 4: Simplify right side
    16,886,431.40x = 124,591,211,406,398.95
  5. Step 5: Solve for x
    x = 124,591,211,406,398.95/16,886,431.40
  6. Step 6: Final answer
    x = 7,378,184.80

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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.