Home / 13,786,432.30-19,012,891.35-8,630,263.90

Finding the Fourth Proportional to 13,786,432.30, 19,012,891.35 and 8,630,263.90

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Solution

The fourth proportional to 13,786,432.30, 19,012,891.35 and 8,630,263.90 is: 11,902,011.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,432.30 : 19,012,891.35 = 8,630,263.90 : x
  2. Step 2: Convert to fraction form
    13,786,432.30/19,012,891.35 = 8,630,263.90/x
  3. Step 3: Cross multiply
    13,786,432.30x = 19,012,891.35 × 8,630,263.90
  4. Step 4: Simplify right side
    13,786,432.30x = 164,086,269,852,527.28
  5. Step 5: Solve for x
    x = 164,086,269,852,527.28/13,786,432.30
  6. Step 6: Final answer
    x = 11,902,011.07

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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.