Home / 12,805,678.38-17,671,460.44-7,004,334.66

Finding the Fourth Proportional to 12,805,678.38, 17,671,460.44 and 7,004,334.66

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Solution

The fourth proportional to 12,805,678.38, 17,671,460.44 and 7,004,334.66 is: 9,665,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,678.38 : 17,671,460.44 = 7,004,334.66 : x
  2. Step 2: Convert to fraction form
    12,805,678.38/17,671,460.44 = 7,004,334.66/x
  3. Step 3: Cross multiply
    12,805,678.38x = 17,671,460.44 × 7,004,334.66
  4. Step 4: Simplify right side
    12,805,678.38x = 123,776,822,852,710.86
  5. Step 5: Solve for x
    x = 123,776,822,852,710.86/12,805,678.38
  6. Step 6: Final answer
    x = 9,665,776.32

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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.