Home / 12,387,856.70-18,564,070.35-8,596,910.90

Finding the Fourth Proportional to 12,387,856.70, 18,564,070.35 and 8,596,910.90

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Solution

The fourth proportional to 12,387,856.70, 18,564,070.35 and 8,596,910.90 is: 12,883,072.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,856.70 : 18,564,070.35 = 8,596,910.90 : x
  2. Step 2: Convert to fraction form
    12,387,856.70/18,564,070.35 = 8,596,910.90/x
  3. Step 3: Cross multiply
    12,387,856.70x = 18,564,070.35 × 8,596,910.90
  4. Step 4: Simplify right side
    12,387,856.70x = 159,593,658,740,281.84
  5. Step 5: Solve for x
    x = 159,593,658,740,281.84/12,387,856.70
  6. Step 6: Final answer
    x = 12,883,072.72

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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.