Home / 21,655,705.08-29,884,880.24-11,866,069.79

Finding the Fourth Proportional to 21,655,705.08, 29,884,880.24 and 11,866,069.79

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Solution

The fourth proportional to 21,655,705.08, 29,884,880.24 and 11,866,069.79 is: 16,375,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655,705.08 : 29,884,880.24 = 11,866,069.79 : x
  2. Step 2: Convert to fraction form
    21,655,705.08/29,884,880.24 = 11,866,069.79/x
  3. Step 3: Cross multiply
    21,655,705.08x = 29,884,880.24 × 11,866,069.79
  4. Step 4: Simplify right side
    21,655,705.08x = 354,616,074,384,877.19
  5. Step 5: Solve for x
    x = 354,616,074,384,877.19/21,655,705.08
  6. Step 6: Final answer
    x = 16,375,180.26

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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.