Home / 21,195,346-29,247,909.90-12,027,988.72

Finding the Fourth Proportional to 21,195,346, 29,247,909.90 and 12,027,988.72

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Solution

The fourth proportional to 21,195,346, 29,247,909.90 and 12,027,988.72 is: 16,597,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,195,346 : 29,247,909.90 = 12,027,988.72 : x
  2. Step 2: Convert to fraction form
    21,195,346/29,247,909.90 = 12,027,988.72/x
  3. Step 3: Cross multiply
    21,195,346x = 29,247,909.90 × 12,027,988.72
  4. Step 4: Simplify right side
    21,195,346x = 351,793,530,360,776.31
  5. Step 5: Solve for x
    x = 351,793,530,360,776.31/21,195,346
  6. Step 6: Final answer
    x = 16,597,678.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.