Home / 21,254,685.30-29,329,043.49-11,960,460.18

Finding the Fourth Proportional to 21,254,685.30, 29,329,043.49 and 11,960,460.18

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Solution

The fourth proportional to 21,254,685.30, 29,329,043.49 and 11,960,460.18 is: 16,504,072.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254,685.30 : 29,329,043.49 = 11,960,460.18 : x
  2. Step 2: Convert to fraction form
    21,254,685.30/29,329,043.49 = 11,960,460.18/x
  3. Step 3: Cross multiply
    21,254,685.30x = 29,329,043.49 × 11,960,460.18
  4. Step 4: Simplify right side
    21,254,685.30x = 350,788,856,779,633.19
  5. Step 5: Solve for x
    x = 350,788,856,779,633.19/21,254,685.30
  6. Step 6: Final answer
    x = 16,504,072.01

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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.