Home / 13,428,037.70-20,142,056.55-11,601,455.30

Finding the Fourth Proportional to 13,428,037.70, 20,142,056.55 and 11,601,455.30

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Solution

The fourth proportional to 13,428,037.70, 20,142,056.55 and 11,601,455.30 is: 17,402,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,037.70 : 20,142,056.55 = 11,601,455.30 : x
  2. Step 2: Convert to fraction form
    13,428,037.70/20,142,056.55 = 11,601,455.30/x
  3. Step 3: Cross multiply
    13,428,037.70x = 20,142,056.55 × 11,601,455.30
  4. Step 4: Simplify right side
    13,428,037.70x = 233,677,168,714,897.25
  5. Step 5: Solve for x
    x = 233,677,168,714,897.25/13,428,037.70
  6. Step 6: Final answer
    x = 17,402,182.95

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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.