Home / 19,991,865.32-29,987,797.98-4,845,797

Finding the Fourth Proportional to 19,991,865.32, 29,987,797.98 and 4,845,797

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Solution

The fourth proportional to 19,991,865.32, 29,987,797.98 and 4,845,797 is: 7,268,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,865.32 : 29,987,797.98 = 4,845,797 : x
  2. Step 2: Convert to fraction form
    19,991,865.32/29,987,797.98 = 4,845,797/x
  3. Step 3: Cross multiply
    19,991,865.32x = 29,987,797.98 × 4,845,797
  4. Step 4: Simplify right side
    19,991,865.32x = 145,314,781,488,090.06
  5. Step 5: Solve for x
    x = 145,314,781,488,090.06/19,991,865.32
  6. Step 6: Final answer
    x = 7,268,695.50

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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.