Home / 9,178,618.81-12,666,732.79-5,048,756.32

Finding the Fourth Proportional to 9,178,618.81, 12,666,732.79 and 5,048,756.32

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Solution

The fourth proportional to 9,178,618.81, 12,666,732.79 and 5,048,756.32 is: 6,967,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,618.81 : 12,666,732.79 = 5,048,756.32 : x
  2. Step 2: Convert to fraction form
    9,178,618.81/12,666,732.79 = 5,048,756.32/x
  3. Step 3: Cross multiply
    9,178,618.81x = 12,666,732.79 × 5,048,756.32
  4. Step 4: Simplify right side
    9,178,618.81x = 63,951,247,163,930.07
  5. Step 5: Solve for x
    x = 63,951,247,163,930.07/9,178,618.81
  6. Step 6: Final answer
    x = 6,967,415.09

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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.