Home / 38,664,280.98-53,354,881.14-21,261,359.70

Finding the Fourth Proportional to 38,664,280.98, 53,354,881.14 and 21,261,359.70

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Solution

The fourth proportional to 38,664,280.98, 53,354,881.14 and 21,261,359.70 is: 29,339,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664,280.98 : 53,354,881.14 = 21,261,359.70 : x
  2. Step 2: Convert to fraction form
    38,664,280.98/53,354,881.14 = 21,261,359.70/x
  3. Step 3: Cross multiply
    38,664,280.98x = 53,354,881.14 × 21,261,359.70
  4. Step 4: Simplify right side
    38,664,280.98x = 1,134,397,319,668,286
  5. Step 5: Solve for x
    x = 1,134,397,319,668,286/38,664,280.98
  6. Step 6: Final answer
    x = 29,339,671.94

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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.