Home / 12,774,830.60-19,162,245.90-8,239,867.40

Finding the Fourth Proportional to 12,774,830.60, 19,162,245.90 and 8,239,867.40

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Solution

The fourth proportional to 12,774,830.60, 19,162,245.90 and 8,239,867.40 is: 12,359,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774,830.60 : 19,162,245.90 = 8,239,867.40 : x
  2. Step 2: Convert to fraction form
    12,774,830.60/19,162,245.90 = 8,239,867.40/x
  3. Step 3: Cross multiply
    12,774,830.60x = 19,162,245.90 × 8,239,867.40
  4. Step 4: Simplify right side
    12,774,830.60x = 157,894,365,302,193.66
  5. Step 5: Solve for x
    x = 157,894,365,302,193.66/12,774,830.60
  6. Step 6: Final answer
    x = 12,359,801.10

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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.