Home / 12,241,801.35-18,402,560.10-8,672,289.30

Finding the Fourth Proportional to 12,241,801.35, 18,402,560.10 and 8,672,289.30

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Solution

The fourth proportional to 12,241,801.35, 18,402,560.10 and 8,672,289.30 is: 13,036,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,801.35 : 18,402,560.10 = 8,672,289.30 : x
  2. Step 2: Convert to fraction form
    12,241,801.35/18,402,560.10 = 8,672,289.30/x
  3. Step 3: Cross multiply
    12,241,801.35x = 18,402,560.10 × 8,672,289.30
  4. Step 4: Simplify right side
    12,241,801.35x = 159,592,325,047,836.97
  5. Step 5: Solve for x
    x = 159,592,325,047,836.97/12,241,801.35
  6. Step 6: Final answer
    x = 13,036,670.05

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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.