Home / 14,216,688.09-19,619,016.16-7,690,302.49

Finding the Fourth Proportional to 14,216,688.09, 19,619,016.16 and 7,690,302.49

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Solution

The fourth proportional to 14,216,688.09, 19,619,016.16 and 7,690,302.49 is: 10,612,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216,688.09 : 19,619,016.16 = 7,690,302.49 : x
  2. Step 2: Convert to fraction form
    14,216,688.09/19,619,016.16 = 7,690,302.49/x
  3. Step 3: Cross multiply
    14,216,688.09x = 19,619,016.16 × 7,690,302.49
  4. Step 4: Simplify right side
    14,216,688.09x = 150,876,168,788,146.75
  5. Step 5: Solve for x
    x = 150,876,168,788,146.75/14,216,688.09
  6. Step 6: Final answer
    x = 10,612,610.18

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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.