Home / 12,249,996.80-18,377,763.45-4,052,619.78

Finding the Fourth Proportional to 12,249,996.80, 18,377,763.45 and 4,052,619.78

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Solution

The fourth proportional to 12,249,996.80, 18,377,763.45 and 4,052,619.78 is: 6,079,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249,996.80 : 18,377,763.45 = 4,052,619.78 : x
  2. Step 2: Convert to fraction form
    12,249,996.80/18,377,763.45 = 4,052,619.78/x
  3. Step 3: Cross multiply
    12,249,996.80x = 18,377,763.45 × 4,052,619.78
  4. Step 4: Simplify right side
    12,249,996.80x = 74,478,087,669,631.03
  5. Step 5: Solve for x
    x = 74,478,087,669,631.03/12,249,996.80
  6. Step 6: Final answer
    x = 6,079,845.48

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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.