Home / 38,426,365.41-53,029,641.36-21,022,306.89

Finding the Fourth Proportional to 38,426,365.41, 53,029,641.36 and 21,022,306.89

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Solution

The fourth proportional to 38,426,365.41, 53,029,641.36 and 21,022,306.89 is: 29,011,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,426,365.41 : 53,029,641.36 = 21,022,306.89 : x
  2. Step 2: Convert to fraction form
    38,426,365.41/53,029,641.36 = 21,022,306.89/x
  3. Step 3: Cross multiply
    38,426,365.41x = 53,029,641.36 × 21,022,306.89
  4. Step 4: Simplify right side
    38,426,365.41x = 1,114,805,394,936,557
  5. Step 5: Solve for x
    x = 1,114,805,394,936,557/38,426,365.41
  6. Step 6: Final answer
    x = 29,011,471.24

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1.5x scale

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.