Home / 38,851,856.40-58,277,784.60-11,922,013.20

Finding the Fourth Proportional to 38,851,856.40, 58,277,784.60 and 11,922,013.20

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Solution

The fourth proportional to 38,851,856.40, 58,277,784.60 and 11,922,013.20 is: 17,883,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851,856.40 : 58,277,784.60 = 11,922,013.20 : x
  2. Step 2: Convert to fraction form
    38,851,856.40/58,277,784.60 = 11,922,013.20/x
  3. Step 3: Cross multiply
    38,851,856.40x = 58,277,784.60 × 11,922,013.20
  4. Step 4: Simplify right side
    38,851,856.40x = 694,788,517,267,956.75
  5. Step 5: Solve for x
    x = 694,788,517,267,956.75/38,851,856.40
  6. Step 6: Final answer
    x = 17,883,019.80

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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.