Home / 7,117,318.81-9,822,602.51-4,061,990.17

Finding the Fourth Proportional to 7,117,318.81, 9,822,602.51 and 4,061,990.17

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Solution

The fourth proportional to 7,117,318.81, 9,822,602.51 and 4,061,990.17 is: 5,605,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,318.81 : 9,822,602.51 = 4,061,990.17 : x
  2. Step 2: Convert to fraction form
    7,117,318.81/9,822,602.51 = 4,061,990.17/x
  3. Step 3: Cross multiply
    7,117,318.81x = 9,822,602.51 × 4,061,990.17
  4. Step 4: Simplify right side
    7,117,318.81x = 39,899,314,839,437.33
  5. Step 5: Solve for x
    x = 39,899,314,839,437.33/7,117,318.81
  6. Step 6: Final answer
    x = 5,605,947.39

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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.