Home / 21,381,074.84-32,071,611.63-9,863,134.31

Finding the Fourth Proportional to 21,381,074.84, 32,071,611.63 and 9,863,134.31

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Solution

The fourth proportional to 21,381,074.84, 32,071,611.63 and 9,863,134.31 is: 14,794,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,381,074.84 : 32,071,611.63 = 9,863,134.31 : x
  2. Step 2: Convert to fraction form
    21,381,074.84/32,071,611.63 = 9,863,134.31/x
  3. Step 3: Cross multiply
    21,381,074.84x = 32,071,611.63 × 9,863,134.31
  4. Step 4: Simplify right side
    21,381,074.84x = 316,326,612,884,489.94
  5. Step 5: Solve for x
    x = 316,326,612,884,489.94/21,381,074.84
  6. Step 6: Final answer
    x = 14,794,701.17

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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.