Home / 22,130,429.60-33,195,644.40-20,146,383.20

Finding the Fourth Proportional to 22,130,429.60, 33,195,644.40 and 20,146,383.20

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Solution

The fourth proportional to 22,130,429.60, 33,195,644.40 and 20,146,383.20 is: 30,219,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130,429.60 : 33,195,644.40 = 20,146,383.20 : x
  2. Step 2: Convert to fraction form
    22,130,429.60/33,195,644.40 = 20,146,383.20/x
  3. Step 3: Cross multiply
    22,130,429.60x = 33,195,644.40 × 20,146,383.20
  4. Step 4: Simplify right side
    22,130,429.60x = 668,772,172,653,334
  5. Step 5: Solve for x
    x = 668,772,172,653,334/22,130,429.60
  6. Step 6: Final answer
    x = 30,219,574.80

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1.5x scale

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.