Home / 7,243,424.80-9,995,341.12-4,187,836

Finding the Fourth Proportional to 7,243,424.80, 9,995,341.12 and 4,187,836

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Solution

The fourth proportional to 7,243,424.80, 9,995,341.12 and 4,187,836 is: 5,778,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,424.80 : 9,995,341.12 = 4,187,836 : x
  2. Step 2: Convert to fraction form
    7,243,424.80/9,995,341.12 = 4,187,836/x
  3. Step 3: Cross multiply
    7,243,424.80x = 9,995,341.12 × 4,187,836
  4. Step 4: Simplify right side
    7,243,424.80x = 41,858,849,374,616.32
  5. Step 5: Solve for x
    x = 41,858,849,374,616.32/7,243,424.80
  6. Step 6: Final answer
    x = 5,778,875.40

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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.