Home / 18,341,632.40-27,447,130.20-15,971,507.60

Finding the Fourth Proportional to 18,341,632.40, 27,447,130.20 and 15,971,507.60

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Solution

The fourth proportional to 18,341,632.40, 27,447,130.20 and 15,971,507.60 is: 23,900,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341,632.40 : 27,447,130.20 = 15,971,507.60 : x
  2. Step 2: Convert to fraction form
    18,341,632.40/27,447,130.20 = 15,971,507.60/x
  3. Step 3: Cross multiply
    18,341,632.40x = 27,447,130.20 × 15,971,507.60
  4. Step 4: Simplify right side
    18,341,632.40x = 438,372,048,587,489.50
  5. Step 5: Solve for x
    x = 438,372,048,587,489.50/18,341,632.40
  6. Step 6: Final answer
    x = 23,900,383.51

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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.