Home / 21,643,861.23-29,867,956.83-12,351,264.74

Finding the Fourth Proportional to 21,643,861.23, 29,867,956.83 and 12,351,264.74

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Solution

The fourth proportional to 21,643,861.23, 29,867,956.83 and 12,351,264.74 is: 17,044,419.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,643,861.23 : 29,867,956.83 = 12,351,264.74 : x
  2. Step 2: Convert to fraction form
    21,643,861.23/29,867,956.83 = 12,351,264.74/x
  3. Step 3: Cross multiply
    21,643,861.23x = 29,867,956.83 × 12,351,264.74
  4. Step 4: Simplify right side
    21,643,861.23x = 368,907,041,839,125.06
  5. Step 5: Solve for x
    x = 368,907,041,839,125.06/21,643,861.23
  6. Step 6: Final answer
    x = 17,044,419.11

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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.