Home / 21,220,152.68-31,797,741.20-14,277,918.12

Finding the Fourth Proportional to 21,220,152.68, 31,797,741.20 and 14,277,918.12

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Solution

The fourth proportional to 21,220,152.68, 31,797,741.20 and 14,277,918.12 is: 21,395,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,220,152.68 : 31,797,741.20 = 14,277,918.12 : x
  2. Step 2: Convert to fraction form
    21,220,152.68/31,797,741.20 = 14,277,918.12/x
  3. Step 3: Cross multiply
    21,220,152.68x = 31,797,741.20 × 14,277,918.12
  4. Step 4: Simplify right side
    21,220,152.68x = 454,005,545,254,550.50
  5. Step 5: Solve for x
    x = 454,005,545,254,550.50/21,220,152.68
  6. Step 6: Final answer
    x = 21,395,017.84

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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.