Home / 38,654,569-53,341,946.04-21,250,787.50

Finding the Fourth Proportional to 38,654,569, 53,341,946.04 and 21,250,787.50

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Solution

The fourth proportional to 38,654,569, 53,341,946.04 and 21,250,787.50 is: 29,325,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,654,569 : 53,341,946.04 = 21,250,787.50 : x
  2. Step 2: Convert to fraction form
    38,654,569/53,341,946.04 = 21,250,787.50/x
  3. Step 3: Cross multiply
    38,654,569x = 53,341,946.04 × 21,250,787.50
  4. Step 4: Simplify right side
    38,654,569x = 1,133,558,360,132,506.50
  5. Step 5: Solve for x
    x = 1,133,558,360,132,506.50/38,654,569
  6. Step 6: Final answer
    x = 29,325,339.53

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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.