Home / 28,403,155.44-39,196,534.23-15,350,383.71

Finding the Fourth Proportional to 28,403,155.44, 39,196,534.23 and 15,350,383.71

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Solution

The fourth proportional to 28,403,155.44, 39,196,534.23 and 15,350,383.71 is: 21,183,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,155.44 : 39,196,534.23 = 15,350,383.71 : x
  2. Step 2: Convert to fraction form
    28,403,155.44/39,196,534.23 = 15,350,383.71/x
  3. Step 3: Cross multiply
    28,403,155.44x = 39,196,534.23 × 15,350,383.71
  4. Step 4: Simplify right side
    28,403,155.44x = 601,681,840,532,649.38
  5. Step 5: Solve for x
    x = 601,681,840,532,649.38/28,403,155.44
  6. Step 6: Final answer
    x = 21,183,626.65

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1.5x scale

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.