Home / 38,487,823.38-53,113,260.60-21,083,789.16

Finding the Fourth Proportional to 38,487,823.38, 53,113,260.60 and 21,083,789.16

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Solution

The fourth proportional to 38,487,823.38, 53,113,260.60 and 21,083,789.16 is: 29,095,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487,823.38 : 53,113,260.60 = 21,083,789.16 : x
  2. Step 2: Convert to fraction form
    38,487,823.38/53,113,260.60 = 21,083,789.16/x
  3. Step 3: Cross multiply
    38,487,823.38x = 53,113,260.60 × 21,083,789.16
  4. Step 4: Simplify right side
    38,487,823.38x = 1,119,828,788,090,535.12
  5. Step 5: Solve for x
    x = 1,119,828,788,090,535.12/38,487,823.38
  6. Step 6: Final answer
    x = 29,095,664.28

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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.