Home / 29,969,430.72-41,357,916-16,218,390.72

Finding the Fourth Proportional to 29,969,430.72, 41,357,916 and 16,218,390.72

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Solution

The fourth proportional to 29,969,430.72, 41,357,916 and 16,218,390.72 is: 22,381,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,969,430.72 : 41,357,916 = 16,218,390.72 : x
  2. Step 2: Convert to fraction form
    29,969,430.72/41,357,916 = 16,218,390.72/x
  3. Step 3: Cross multiply
    29,969,430.72x = 41,357,916 × 16,218,390.72
  4. Step 4: Simplify right side
    29,969,430.72x = 670,758,841,052,939.50
  5. Step 5: Solve for x
    x = 670,758,841,052,939.50/29,969,430.72
  6. Step 6: Final answer
    x = 22,381,434.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.