Home / 21,344,215.69-29,455,011.42-11,554,652.62

Finding the Fourth Proportional to 21,344,215.69, 29,455,011.42 and 11,554,652.62

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Solution

The fourth proportional to 21,344,215.69, 29,455,011.42 and 11,554,652.62 is: 15,945,417.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344,215.69 : 29,455,011.42 = 11,554,652.62 : x
  2. Step 2: Convert to fraction form
    21,344,215.69/29,455,011.42 = 11,554,652.62/x
  3. Step 3: Cross multiply
    21,344,215.69x = 29,455,011.42 × 11,554,652.62
  4. Step 4: Simplify right side
    21,344,215.69x = 340,342,424,876,232.94
  5. Step 5: Solve for x
    x = 340,342,424,876,232.94/21,344,215.69
  6. Step 6: Final answer
    x = 15,945,417.24

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1.5x scale

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.