Home / 47,973,019.40-71,955,067.60-13,432,547.44

Finding the Fourth Proportional to 47,973,019.40, 71,955,067.60 and 13,432,547.44

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Solution

The fourth proportional to 47,973,019.40, 71,955,067.60 and 13,432,547.44 is: 20,147,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,973,019.40 : 71,955,067.60 = 13,432,547.44 : x
  2. Step 2: Convert to fraction form
    47,973,019.40/71,955,067.60 = 13,432,547.44/x
  3. Step 3: Cross multiply
    47,973,019.40x = 71,955,067.60 × 13,432,547.44
  4. Step 4: Simplify right side
    47,973,019.40x = 966,539,859,085,406.88
  5. Step 5: Solve for x
    x = 966,539,859,085,406.88/47,973,019.40
  6. Step 6: Final answer
    x = 20,147,571.93

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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.