Home / 38,862,156.40-58,301,107.80-13,305,749.20

Finding the Fourth Proportional to 38,862,156.40, 58,301,107.80 and 13,305,749.20

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Solution

The fourth proportional to 38,862,156.40, 58,301,107.80 and 13,305,749.20 is: 19,961,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,862,156.40 : 58,301,107.80 = 13,305,749.20 : x
  2. Step 2: Convert to fraction form
    38,862,156.40/58,301,107.80 = 13,305,749.20/x
  3. Step 3: Cross multiply
    38,862,156.40x = 58,301,107.80 × 13,305,749.20
  4. Step 4: Simplify right side
    38,862,156.40x = 775,739,918,468,963.62
  5. Step 5: Solve for x
    x = 775,739,918,468,963.62/38,862,156.40
  6. Step 6: Final answer
    x = 19,961,319.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.