Home / 28,265,330.60-42,397,995.90-10,090,048.40

Finding the Fourth Proportional to 28,265,330.60, 42,397,995.90 and 10,090,048.40

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Solution

The fourth proportional to 28,265,330.60, 42,397,995.90 and 10,090,048.40 is: 15,135,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265,330.60 : 42,397,995.90 = 10,090,048.40 : x
  2. Step 2: Convert to fraction form
    28,265,330.60/42,397,995.90 = 10,090,048.40/x
  3. Step 3: Cross multiply
    28,265,330.60x = 42,397,995.90 × 10,090,048.40
  4. Step 4: Simplify right side
    28,265,330.60x = 427,797,830,694,001.56
  5. Step 5: Solve for x
    x = 427,797,830,694,001.56/28,265,330.60
  6. Step 6: Final answer
    x = 15,135,072.60

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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.