Home / 38,787,435.28-53,527,008.36-21,384,398.80

Finding the Fourth Proportional to 38,787,435.28, 53,527,008.36 and 21,384,398.80

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Solution

The fourth proportional to 38,787,435.28, 53,527,008.36 and 21,384,398.80 is: 29,510,662.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,787,435.28 : 53,527,008.36 = 21,384,398.80 : x
  2. Step 2: Convert to fraction form
    38,787,435.28/53,527,008.36 = 21,384,398.80/x
  3. Step 3: Cross multiply
    38,787,435.28x = 53,527,008.36 × 21,384,398.80
  4. Step 4: Simplify right side
    38,787,435.28x = 1,144,642,893,341,174
  5. Step 5: Solve for x
    x = 1,144,642,893,341,174/38,787,435.28
  6. Step 6: Final answer
    x = 29,510,662.02

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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.