Home / 28,175,838.66-42,246,486.09-11,992,574.34

Finding the Fourth Proportional to 28,175,838.66, 42,246,486.09 and 11,992,574.34

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Solution

The fourth proportional to 28,175,838.66, 42,246,486.09 and 11,992,574.34 is: 17,981,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175,838.66 : 42,246,486.09 = 11,992,574.34 : x
  2. Step 2: Convert to fraction form
    28,175,838.66/42,246,486.09 = 11,992,574.34/x
  3. Step 3: Cross multiply
    28,175,838.66x = 42,246,486.09 × 11,992,574.34
  4. Step 4: Simplify right side
    28,175,838.66x = 506,644,125,038,100.94
  5. Step 5: Solve for x
    x = 506,644,125,038,100.94/28,175,838.66
  6. Step 6: Final answer
    x = 17,981,510.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.