Home / 38,309,734.85-52,868,557.02-20,907,198.98

Finding the Fourth Proportional to 38,309,734.85, 52,868,557.02 and 20,907,198.98

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Solution

The fourth proportional to 38,309,734.85, 52,868,557.02 and 20,907,198.98 is: 28,852,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,309,734.85 : 52,868,557.02 = 20,907,198.98 : x
  2. Step 2: Convert to fraction form
    38,309,734.85/52,868,557.02 = 20,907,198.98/x
  3. Step 3: Cross multiply
    38,309,734.85x = 52,868,557.02 × 20,907,198.98
  4. Step 4: Simplify right side
    38,309,734.85x = 1,105,333,441,402,615.88
  5. Step 5: Solve for x
    x = 1,105,333,441,402,615.88/38,309,734.85
  6. Step 6: Final answer
    x = 28,852,547.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.