Home / 28,265,346.60-42,398,019.90-10,090,064.40

Finding the Fourth Proportional to 28,265,346.60, 42,398,019.90 and 10,090,064.40

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Solution

The fourth proportional to 28,265,346.60, 42,398,019.90 and 10,090,064.40 is: 15,135,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265,346.60 : 42,398,019.90 = 10,090,064.40 : x
  2. Step 2: Convert to fraction form
    28,265,346.60/42,398,019.90 = 10,090,064.40/x
  3. Step 3: Cross multiply
    28,265,346.60x = 42,398,019.90 × 10,090,064.40
  4. Step 4: Simplify right side
    28,265,346.60x = 427,798,751,223,481.56
  5. Step 5: Solve for x
    x = 427,798,751,223,481.56/28,265,346.60
  6. Step 6: Final answer
    x = 15,135,096.60

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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.