Home / 18,133,720.40-27,200,580.60-16,748,037.20

Finding the Fourth Proportional to 18,133,720.40, 27,200,580.60 and 16,748,037.20

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Solution

The fourth proportional to 18,133,720.40, 27,200,580.60 and 16,748,037.20 is: 25,122,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133,720.40 : 27,200,580.60 = 16,748,037.20 : x
  2. Step 2: Convert to fraction form
    18,133,720.40/27,200,580.60 = 16,748,037.20/x
  3. Step 3: Cross multiply
    18,133,720.40x = 27,200,580.60 × 16,748,037.20
  4. Step 4: Simplify right side
    18,133,720.40x = 455,556,335,750,398.31
  5. Step 5: Solve for x
    x = 455,556,335,750,398.31/18,133,720.40
  6. Step 6: Final answer
    x = 25,122,055.80

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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.