Home / 38,578,900.95-53,238,696.32-21,175,542.27

Finding the Fourth Proportional to 38,578,900.95, 53,238,696.32 and 21,175,542.27

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Solution

The fourth proportional to 38,578,900.95, 53,238,696.32 and 21,175,542.27 is: 29,222,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578,900.95 : 53,238,696.32 = 21,175,542.27 : x
  2. Step 2: Convert to fraction form
    38,578,900.95/53,238,696.32 = 21,175,542.27/x
  3. Step 3: Cross multiply
    38,578,900.95x = 53,238,696.32 × 21,175,542.27
  4. Step 4: Simplify right side
    38,578,900.95x = 1,127,358,264,376,792.25
  5. Step 5: Solve for x
    x = 1,127,358,264,376,792.25/38,578,900.95
  6. Step 6: Final answer
    x = 29,222,145.70

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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.