Home / 19,991,386.47-29,987,080.83-4,845,317.97

Finding the Fourth Proportional to 19,991,386.47, 29,987,080.83 and 4,845,317.97

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Solution

The fourth proportional to 19,991,386.47, 29,987,080.83 and 4,845,317.97 is: 7,267,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,386.47 : 29,987,080.83 = 4,845,317.97 : x
  2. Step 2: Convert to fraction form
    19,991,386.47/29,987,080.83 = 4,845,317.97/x
  3. Step 3: Cross multiply
    19,991,386.47x = 29,987,080.83 × 4,845,317.97
  4. Step 4: Simplify right side
    19,991,386.47x = 145,296,941,613,441.50
  5. Step 5: Solve for x
    x = 145,296,941,613,441.50/19,991,386.47
  6. Step 6: Final answer
    x = 7,267,977.23

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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.