Home / 38,927,901.60-53,718,333.36-21,523,201.44

Finding the Fourth Proportional to 38,927,901.60, 53,718,333.36 and 21,523,201.44

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Solution

The fourth proportional to 38,927,901.60, 53,718,333.36 and 21,523,201.44 is: 29,700,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927,901.60 : 53,718,333.36 = 21,523,201.44 : x
  2. Step 2: Convert to fraction form
    38,927,901.60/53,718,333.36 = 21,523,201.44/x
  3. Step 3: Cross multiply
    38,927,901.60x = 53,718,333.36 × 21,523,201.44
  4. Step 4: Simplify right side
    38,927,901.60x = 1,156,190,509,928,352
  5. Step 5: Solve for x
    x = 1,156,190,509,928,352/38,927,901.60
  6. Step 6: Final answer
    x = 29,700,817.73

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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.