Home / 11,439,664.55-17,221,342.59-10,421,538.14

Finding the Fourth Proportional to 11,439,664.55, 17,221,342.59 and 10,421,538.14

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Solution

The fourth proportional to 11,439,664.55, 17,221,342.59 and 10,421,538.14 is: 15,688,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,439,664.55 : 17,221,342.59 = 10,421,538.14 : x
  2. Step 2: Convert to fraction form
    11,439,664.55/17,221,342.59 = 10,421,538.14/x
  3. Step 3: Cross multiply
    11,439,664.55x = 17,221,342.59 × 10,421,538.14
  4. Step 4: Simplify right side
    11,439,664.55x = 179,472,878,647,616.88
  5. Step 5: Solve for x
    x = 179,472,878,647,616.88/11,439,664.55
  6. Step 6: Final answer
    x = 15,688,648.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.