Home / 12,805,281.23-19,207,954.65-5,232,246.98

Finding the Fourth Proportional to 12,805,281.23, 19,207,954.65 and 5,232,246.98

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Solution

The fourth proportional to 12,805,281.23, 19,207,954.65 and 5,232,246.98 is: 7,848,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,281.23 : 19,207,954.65 = 5,232,246.98 : x
  2. Step 2: Convert to fraction form
    12,805,281.23/19,207,954.65 = 5,232,246.98/x
  3. Step 3: Cross multiply
    12,805,281.23x = 19,207,954.65 × 5,232,246.98
  4. Step 4: Simplify right side
    12,805,281.23x = 100,500,762,648,338.95
  5. Step 5: Solve for x
    x = 100,500,762,648,338.95/12,805,281.23
  6. Step 6: Final answer
    x = 7,848,383.87

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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.