Home / 38,613,355.94-53,287,351.17-21,210,065.66

Finding the Fourth Proportional to 38,613,355.94, 53,287,351.17 and 21,210,065.66

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Solution

The fourth proportional to 38,613,355.94, 53,287,351.17 and 21,210,065.66 is: 29,270,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,613,355.94 : 53,287,351.17 = 21,210,065.66 : x
  2. Step 2: Convert to fraction form
    38,613,355.94/53,287,351.17 = 21,210,065.66/x
  3. Step 3: Cross multiply
    38,613,355.94x = 53,287,351.17 × 21,210,065.66
  4. Step 4: Simplify right side
    38,613,355.94x = 1,130,228,217,163,177.75
  5. Step 5: Solve for x
    x = 1,130,228,217,163,177.75/38,613,355.94
  6. Step 6: Final answer
    x = 29,270,395.95

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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.