Home / 21,514,359.28-29,689,816.26-11,856,567.28

Finding the Fourth Proportional to 21,514,359.28, 29,689,816.26 and 11,856,567.28

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Solution

The fourth proportional to 21,514,359.28, 29,689,816.26 and 11,856,567.28 is: 16,362,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,359.28 : 29,689,816.26 = 11,856,567.28 : x
  2. Step 2: Convert to fraction form
    21,514,359.28/29,689,816.26 = 11,856,567.28/x
  3. Step 3: Cross multiply
    21,514,359.28x = 29,689,816.26 × 11,856,567.28
  4. Step 4: Simplify right side
    21,514,359.28x = 352,019,304,017,528
  5. Step 5: Solve for x
    x = 352,019,304,017,528/21,514,359.28
  6. Step 6: Final answer
    x = 16,362,063.10

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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.