Home / 12,770,466.71-19,139,065.90-5,188,568.63

Finding the Fourth Proportional to 12,770,466.71, 19,139,065.90 and 5,188,568.63

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Solution

The fourth proportional to 12,770,466.71, 19,139,065.90 and 5,188,568.63 is: 7,776,094.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,466.71 : 19,139,065.90 = 5,188,568.63 : x
  2. Step 2: Convert to fraction form
    12,770,466.71/19,139,065.90 = 5,188,568.63/x
  3. Step 3: Cross multiply
    12,770,466.71x = 19,139,065.90 × 5,188,568.63
  4. Step 4: Simplify right side
    12,770,466.71x = 99,304,356,827,575.97
  5. Step 5: Solve for x
    x = 99,304,356,827,575.97/12,770,466.71
  6. Step 6: Final answer
    x = 7,776,094.57

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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.