Home / 39,743,999.40-59,615,999.10-12,452,572.20

Finding the Fourth Proportional to 39,743,999.40, 59,615,999.10 and 12,452,572.20

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Solution

The fourth proportional to 39,743,999.40, 59,615,999.10 and 12,452,572.20 is: 18,678,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,743,999.40 : 59,615,999.10 = 12,452,572.20 : x
  2. Step 2: Convert to fraction form
    39,743,999.40/59,615,999.10 = 12,452,572.20/x
  3. Step 3: Cross multiply
    39,743,999.40x = 59,615,999.10 × 12,452,572.20
  4. Step 4: Simplify right side
    39,743,999.40x = 742,372,533,067,885
  5. Step 5: Solve for x
    x = 742,372,533,067,885/39,743,999.40
  6. Step 6: Final answer
    x = 18,678,858.30

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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.