Home / 38,848,017.60-58,272,026.40-20,932,113.60

Finding the Fourth Proportional to 38,848,017.60, 58,272,026.40 and 20,932,113.60

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Solution

The fourth proportional to 38,848,017.60, 58,272,026.40 and 20,932,113.60 is: 31,398,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,848,017.60 : 58,272,026.40 = 20,932,113.60 : x
  2. Step 2: Convert to fraction form
    38,848,017.60/58,272,026.40 = 20,932,113.60/x
  3. Step 3: Cross multiply
    38,848,017.60x = 58,272,026.40 × 20,932,113.60
  4. Step 4: Simplify right side
    38,848,017.60x = 1,219,756,676,306,999
  5. Step 5: Solve for x
    x = 1,219,756,676,306,999/38,848,017.60
  6. Step 6: Final answer
    x = 31,398,170.40

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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.