Home / 19,746,615.86-29,621,223.42-5,173,892.18

Finding the Fourth Proportional to 19,746,615.86, 29,621,223.42 and 5,173,892.18

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Solution

The fourth proportional to 19,746,615.86, 29,621,223.42 and 5,173,892.18 is: 7,761,178.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746,615.86 : 29,621,223.42 = 5,173,892.18 : x
  2. Step 2: Convert to fraction form
    19,746,615.86/29,621,223.42 = 5,173,892.18/x
  3. Step 3: Cross multiply
    19,746,615.86x = 29,621,223.42 × 5,173,892.18
  4. Step 4: Simplify right side
    19,746,615.86x = 153,257,016,214,770.84
  5. Step 5: Solve for x
    x = 153,257,016,214,770.84/19,746,615.86
  6. Step 6: Final answer
    x = 7,761,178.79

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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.