Home / 25,788,189.40-38,638,047.30-12,295,965.40

Finding the Fourth Proportional to 25,788,189.40, 38,638,047.30 and 12,295,965.40

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Solution

The fourth proportional to 25,788,189.40, 38,638,047.30 and 12,295,965.40 is: 18,422,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788,189.40 : 38,638,047.30 = 12,295,965.40 : x
  2. Step 2: Convert to fraction form
    25,788,189.40/38,638,047.30 = 12,295,965.40/x
  3. Step 3: Cross multiply
    25,788,189.40x = 38,638,047.30 × 12,295,965.40
  4. Step 4: Simplify right side
    25,788,189.40x = 475,092,092,724,363.38
  5. Step 5: Solve for x
    x = 475,092,092,724,363.38/25,788,189.40
  6. Step 6: Final answer
    x = 18,422,855.72

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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.