Home / 47,309,768.81-70,976,639.18-14,521,999.98

Finding the Fourth Proportional to 47,309,768.81, 70,976,639.18 and 14,521,999.98

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Solution

The fourth proportional to 47,309,768.81, 70,976,639.18 and 14,521,999.98 is: 21,786,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,309,768.81 : 70,976,639.18 = 14,521,999.98 : x
  2. Step 2: Convert to fraction form
    47,309,768.81/70,976,639.18 = 14,521,999.98/x
  3. Step 3: Cross multiply
    47,309,768.81x = 70,976,639.18 × 14,521,999.98
  4. Step 4: Simplify right side
    47,309,768.81x = 1,030,722,752,679,817.25
  5. Step 5: Solve for x
    x = 1,030,722,752,679,817.25/47,309,768.81
  6. Step 6: Final answer
    x = 21,786,679.13

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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.