Home / 38,328,081.76-52,889,575.84-21,803,809.12

Finding the Fourth Proportional to 38,328,081.76, 52,889,575.84 and 21,803,809.12

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Solution

The fourth proportional to 38,328,081.76, 52,889,575.84 and 21,803,809.12 is: 30,087,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328,081.76 : 52,889,575.84 = 21,803,809.12 : x
  2. Step 2: Convert to fraction form
    38,328,081.76/52,889,575.84 = 21,803,809.12/x
  3. Step 3: Cross multiply
    38,328,081.76x = 52,889,575.84 × 21,803,809.12
  4. Step 4: Simplify right side
    38,328,081.76x = 1,153,194,216,053,123.75
  5. Step 5: Solve for x
    x = 1,153,194,216,053,123.75/38,328,081.76
  6. Step 6: Final answer
    x = 30,087,449.28

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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.