Home / 12,928,040.84-19,399,605.91-7,175,602.08

Finding the Fourth Proportional to 12,928,040.84, 19,399,605.91 and 7,175,602.08

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Solution

The fourth proportional to 12,928,040.84, 19,399,605.91 and 7,175,602.08 is: 10,767,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,040.84 : 19,399,605.91 = 7,175,602.08 : x
  2. Step 2: Convert to fraction form
    12,928,040.84/19,399,605.91 = 7,175,602.08/x
  3. Step 3: Cross multiply
    12,928,040.84x = 19,399,605.91 × 7,175,602.08
  4. Step 4: Simplify right side
    12,928,040.84x = 139,203,852,501,037.28
  5. Step 5: Solve for x
    x = 139,203,852,501,037.28/12,928,040.84
  6. Step 6: Final answer
    x = 10,767,590.71

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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.