Home / 25,560,111.60-38,330,836.20-8,521,340.40

Finding the Fourth Proportional to 25,560,111.60, 38,330,836.20 and 8,521,340.40

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Solution

The fourth proportional to 25,560,111.60, 38,330,836.20 and 8,521,340.40 is: 12,778,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,560,111.60 : 38,330,836.20 = 8,521,340.40 : x
  2. Step 2: Convert to fraction form
    25,560,111.60/38,330,836.20 = 8,521,340.40/x
  3. Step 3: Cross multiply
    25,560,111.60x = 38,330,836.20 × 8,521,340.40
  4. Step 4: Simplify right side
    25,560,111.60x = 326,630,103,076,842.50
  5. Step 5: Solve for x
    x = 326,630,103,076,842.50/25,560,111.60
  6. Step 6: Final answer
    x = 12,778,899.72

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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.