Home / 19,991,378.43-29,987,068.85-4,845,309.93

Finding the Fourth Proportional to 19,991,378.43, 29,987,068.85 and 4,845,309.93

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Solution

The fourth proportional to 19,991,378.43, 29,987,068.85 and 4,845,309.93 is: 7,267,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,378.43 : 29,987,068.85 = 4,845,309.93 : x
  2. Step 2: Convert to fraction form
    19,991,378.43/29,987,068.85 = 4,845,309.93/x
  3. Step 3: Cross multiply
    19,991,378.43x = 29,987,068.85 × 4,845,309.93
  4. Step 4: Simplify right side
    19,991,378.43x = 145,296,642,470,498.69
  5. Step 5: Solve for x
    x = 145,296,642,470,498.69/19,991,378.43
  6. Step 6: Final answer
    x = 7,267,965.19

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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.