Home / 43,674,029.84-65,508,681.72-13,381,980.56

Finding the Fourth Proportional to 43,674,029.84, 65,508,681.72 and 13,381,980.56

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Solution

The fourth proportional to 43,674,029.84, 65,508,681.72 and 13,381,980.56 is: 20,072,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,674,029.84 : 65,508,681.72 = 13,381,980.56 : x
  2. Step 2: Convert to fraction form
    43,674,029.84/65,508,681.72 = 13,381,980.56/x
  3. Step 3: Cross multiply
    43,674,029.84x = 65,508,681.72 × 13,381,980.56
  4. Step 4: Simplify right side
    43,674,029.84x = 876,635,905,288,267.38
  5. Step 5: Solve for x
    x = 876,635,905,288,267.38/43,674,029.84
  6. Step 6: Final answer
    x = 20,072,246.79

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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.