Home / 9,090,570.63-12,534,815.30-7,431,539.78

Finding the Fourth Proportional to 9,090,570.63, 12,534,815.30 and 7,431,539.78

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Solution

The fourth proportional to 9,090,570.63, 12,534,815.30 and 7,431,539.78 is: 10,247,209.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090,570.63 : 12,534,815.30 = 7,431,539.78 : x
  2. Step 2: Convert to fraction form
    9,090,570.63/12,534,815.30 = 7,431,539.78/x
  3. Step 3: Cross multiply
    9,090,570.63x = 12,534,815.30 × 7,431,539.78
  4. Step 4: Simplify right side
    9,090,570.63x = 93,152,978,437,070.86
  5. Step 5: Solve for x
    x = 93,152,978,437,070.86/9,090,570.63
  6. Step 6: Final answer
    x = 10,247,209.14

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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.