Home / 12,186,266.49-18,261,463.59-5,356,585.32

Finding the Fourth Proportional to 12,186,266.49, 18,261,463.59 and 5,356,585.32

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Solution

The fourth proportional to 12,186,266.49, 18,261,463.59 and 5,356,585.32 is: 8,026,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,186,266.49 : 18,261,463.59 = 5,356,585.32 : x
  2. Step 2: Convert to fraction form
    12,186,266.49/18,261,463.59 = 5,356,585.32/x
  3. Step 3: Cross multiply
    12,186,266.49x = 18,261,463.59 × 5,356,585.32
  4. Step 4: Simplify right side
    12,186,266.49x = 97,819,087,787,908.50
  5. Step 5: Solve for x
    x = 97,819,087,787,908.50/12,186,266.49
  6. Step 6: Final answer
    x = 8,026,993.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.