Home / 13,889,560.15-19,168,770.07-7,696,549.47

Finding the Fourth Proportional to 13,889,560.15, 19,168,770.07 and 7,696,549.47

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Solution

The fourth proportional to 13,889,560.15, 19,168,770.07 and 7,696,549.47 is: 10,621,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,560.15 : 19,168,770.07 = 7,696,549.47 : x
  2. Step 2: Convert to fraction form
    13,889,560.15/19,168,770.07 = 7,696,549.47/x
  3. Step 3: Cross multiply
    13,889,560.15x = 19,168,770.07 × 7,696,549.47
  4. Step 4: Simplify right side
    13,889,560.15x = 147,533,387,122,810.38
  5. Step 5: Solve for x
    x = 147,533,387,122,810.38/13,889,560.15
  6. Step 6: Final answer
    x = 10,621,890.51

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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.