Home / 13,841,668.17-19,098,731.75-7,729,156.17

Finding the Fourth Proportional to 13,841,668.17, 19,098,731.75 and 7,729,156.17

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Solution

The fourth proportional to 13,841,668.17, 19,098,731.75 and 7,729,156.17 is: 10,664,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841,668.17 : 19,098,731.75 = 7,729,156.17 : x
  2. Step 2: Convert to fraction form
    13,841,668.17/19,098,731.75 = 7,729,156.17/x
  3. Step 3: Cross multiply
    13,841,668.17x = 19,098,731.75 × 7,729,156.17
  4. Step 4: Simplify right side
    13,841,668.17x = 147,617,080,306,041.62
  5. Step 5: Solve for x
    x = 147,617,080,306,041.62/13,841,668.17
  6. Step 6: Final answer
    x = 10,664,688.57

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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.