Home / 12,904,291.68-19,356,482.88-3,806,501.28

Finding the Fourth Proportional to 12,904,291.68, 19,356,482.88 and 3,806,501.28

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Solution

The fourth proportional to 12,904,291.68, 19,356,482.88 and 3,806,501.28 is: 5,709,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904,291.68 : 19,356,482.88 = 3,806,501.28 : x
  2. Step 2: Convert to fraction form
    12,904,291.68/19,356,482.88 = 3,806,501.28/x
  3. Step 3: Cross multiply
    12,904,291.68x = 19,356,482.88 × 3,806,501.28
  4. Step 4: Simplify right side
    12,904,291.68x = 73,680,476,859,018.08
  5. Step 5: Solve for x
    x = 73,680,476,859,018.08/12,904,291.68
  6. Step 6: Final answer
    x = 5,709,765.30

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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.