Home / 12,774,808.60-19,162,212.90-8,239,845.40

Finding the Fourth Proportional to 12,774,808.60, 19,162,212.90 and 8,239,845.40

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Solution

The fourth proportional to 12,774,808.60, 19,162,212.90 and 8,239,845.40 is: 12,359,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774,808.60 : 19,162,212.90 = 8,239,845.40 : x
  2. Step 2: Convert to fraction form
    12,774,808.60/19,162,212.90 = 8,239,845.40/x
  3. Step 3: Cross multiply
    12,774,808.60x = 19,162,212.90 × 8,239,845.40
  4. Step 4: Simplify right side
    12,774,808.60x = 157,893,671,817,885.66
  5. Step 5: Solve for x
    x = 157,893,671,817,885.66/12,774,808.60
  6. Step 6: Final answer
    x = 12,359,768.10

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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.