Home / 12,653,995.70-18,984,230.31-3,678,547.70

Finding the Fourth Proportional to 12,653,995.70, 18,984,230.31 and 3,678,547.70

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Solution

The fourth proportional to 12,653,995.70, 18,984,230.31 and 3,678,547.70 is: 5,518,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653,995.70 : 18,984,230.31 = 3,678,547.70 : x
  2. Step 2: Convert to fraction form
    12,653,995.70/18,984,230.31 = 3,678,547.70/x
  3. Step 3: Cross multiply
    12,653,995.70x = 18,984,230.31 × 3,678,547.70
  4. Step 4: Simplify right side
    12,653,995.70x = 69,834,396,743,120.79
  5. Step 5: Solve for x
    x = 69,834,396,743,120.79/12,653,995.70
  6. Step 6: Final answer
    x = 5,518,762.48

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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.