Home / 12,561,749.40-18,842,624.10-12,030,308.40

Finding the Fourth Proportional to 12,561,749.40, 18,842,624.10 and 12,030,308.40

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Solution

The fourth proportional to 12,561,749.40, 18,842,624.10 and 12,030,308.40 is: 18,045,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,749.40 : 18,842,624.10 = 12,030,308.40 : x
  2. Step 2: Convert to fraction form
    12,561,749.40/18,842,624.10 = 12,030,308.40/x
  3. Step 3: Cross multiply
    12,561,749.40x = 18,842,624.10 × 12,030,308.40
  4. Step 4: Simplify right side
    12,561,749.40x = 226,682,578,988,272.47
  5. Step 5: Solve for x
    x = 226,682,578,988,272.47/12,561,749.40
  6. Step 6: Final answer
    x = 18,045,462.60

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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.