Home / 7,187,435.32-9,919,530.51-4,090,711.63

Finding the Fourth Proportional to 7,187,435.32, 9,919,530.51 and 4,090,711.63

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Solution

The fourth proportional to 7,187,435.32, 9,919,530.51 and 4,090,711.63 is: 5,645,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187,435.32 : 9,919,530.51 = 4,090,711.63 : x
  2. Step 2: Convert to fraction form
    7,187,435.32/9,919,530.51 = 4,090,711.63/x
  3. Step 3: Cross multiply
    7,187,435.32x = 9,919,530.51 × 4,090,711.63
  4. Step 4: Simplify right side
    7,187,435.32x = 40,577,938,821,396.83
  5. Step 5: Solve for x
    x = 40,577,938,821,396.83/7,187,435.32
  6. Step 6: Final answer
    x = 5,645,677.08

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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.