Home / 38,701,574.17-53,396,146.78-21,953,555.51

Finding the Fourth Proportional to 38,701,574.17, 53,396,146.78 and 21,953,555.51

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Solution

The fourth proportional to 38,701,574.17, 53,396,146.78 and 21,953,555.51 is: 30,289,085.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701,574.17 : 53,396,146.78 = 21,953,555.51 : x
  2. Step 2: Convert to fraction form
    38,701,574.17/53,396,146.78 = 21,953,555.51/x
  3. Step 3: Cross multiply
    38,701,574.17x = 53,396,146.78 × 21,953,555.51
  4. Step 4: Simplify right side
    38,701,574.17x = 1,172,235,272,032,973.25
  5. Step 5: Solve for x
    x = 1,172,235,272,032,973.25/38,701,574.17
  6. Step 6: Final answer
    x = 30,289,085.06

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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.