Home / 21,210,149.56-29,271,260.16-15,973,922.32

Finding the Fourth Proportional to 21,210,149.56, 29,271,260.16 and 15,973,922.32

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Solution

The fourth proportional to 21,210,149.56, 29,271,260.16 and 15,973,922.32 is: 22,044,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,210,149.56 : 29,271,260.16 = 15,973,922.32 : x
  2. Step 2: Convert to fraction form
    21,210,149.56/29,271,260.16 = 15,973,922.32/x
  3. Step 3: Cross multiply
    21,210,149.56x = 29,271,260.16 × 15,973,922.32
  4. Step 4: Simplify right side
    21,210,149.56x = 467,576,836,004,350.81
  5. Step 5: Solve for x
    x = 467,576,836,004,350.81/21,210,149.56
  6. Step 6: Final answer
    x = 22,044,957.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.