Home / 28,135,002.48-42,196,598.52-7,935,520.56

Finding the Fourth Proportional to 28,135,002.48, 42,196,598.52 and 7,935,520.56

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Solution

The fourth proportional to 28,135,002.48, 42,196,598.52 and 7,935,520.56 is: 11,901,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,002.48 : 42,196,598.52 = 7,935,520.56 : x
  2. Step 2: Convert to fraction form
    28,135,002.48/42,196,598.52 = 7,935,520.56/x
  3. Step 3: Cross multiply
    28,135,002.48x = 42,196,598.52 × 7,935,520.56
  4. Step 4: Simplify right side
    28,135,002.48x = 334,851,975,117,525.56
  5. Step 5: Solve for x
    x = 334,851,975,117,525.56/28,135,002.48
  6. Step 6: Final answer
    x = 11,901,615.27

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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.