Home / 7,827,742.80-10,802,363.31-4,389,910.02

Finding the Fourth Proportional to 7,827,742.80, 10,802,363.31 and 4,389,910.02

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Solution

The fourth proportional to 7,827,742.80, 10,802,363.31 and 4,389,910.02 is: 6,058,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827,742.80 : 10,802,363.31 = 4,389,910.02 : x
  2. Step 2: Convert to fraction form
    7,827,742.80/10,802,363.31 = 4,389,910.02/x
  3. Step 3: Cross multiply
    7,827,742.80x = 10,802,363.31 × 4,389,910.02
  4. Step 4: Simplify right side
    7,827,742.80x = 47,421,402,934,249.37
  5. Step 5: Solve for x
    x = 47,421,402,934,249.37/7,827,742.80
  6. Step 6: Final answer
    x = 6,058,119.71

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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.