Home / 12,574,444.78-18,868,986.33-5,287,377.82

Finding the Fourth Proportional to 12,574,444.78, 18,868,986.33 and 5,287,377.82

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Solution

The fourth proportional to 12,574,444.78, 18,868,986.33 and 5,287,377.82 is: 7,934,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574,444.78 : 18,868,986.33 = 5,287,377.82 : x
  2. Step 2: Convert to fraction form
    12,574,444.78/18,868,986.33 = 5,287,377.82/x
  3. Step 3: Cross multiply
    12,574,444.78x = 18,868,986.33 × 5,287,377.82
  4. Step 4: Simplify right side
    12,574,444.78x = 99,767,459,807,125.20
  5. Step 5: Solve for x
    x = 99,767,459,807,125.20/12,574,444.78
  6. Step 6: Final answer
    x = 7,934,144.33

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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.