Home / 6,989,310.50-9,645,156.54-3,849,513.84

Finding the Fourth Proportional to 6,989,310.50, 9,645,156.54 and 3,849,513.84

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Solution

The fourth proportional to 6,989,310.50, 9,645,156.54 and 3,849,513.84 is: 5,312,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,310.50 : 9,645,156.54 = 3,849,513.84 : x
  2. Step 2: Convert to fraction form
    6,989,310.50/9,645,156.54 = 3,849,513.84/x
  3. Step 3: Cross multiply
    6,989,310.50x = 9,645,156.54 × 3,849,513.84
  4. Step 4: Simplify right side
    6,989,310.50x = 37,129,163,589,696.51
  5. Step 5: Solve for x
    x = 37,129,163,589,696.51/6,989,310.50
  6. Step 6: Final answer
    x = 5,312,278.46

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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.