Home / 21,039,260-31,532,545.08-11,299,939.04

Finding the Fourth Proportional to 21,039,260, 31,532,545.08 and 11,299,939.04

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Solution

The fourth proportional to 21,039,260, 31,532,545.08 and 11,299,939.04 is: 16,935,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,039,260 : 31,532,545.08 = 11,299,939.04 : x
  2. Step 2: Convert to fraction form
    21,039,260/31,532,545.08 = 11,299,939.04/x
  3. Step 3: Cross multiply
    21,039,260x = 31,532,545.08 × 11,299,939.04
  4. Step 4: Simplify right side
    21,039,260x = 356,315,837,180,051.88
  5. Step 5: Solve for x
    x = 356,315,837,180,051.88/21,039,260
  6. Step 6: Final answer
    x = 16,935,759.01

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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.