Home / 12,811,345.23-17,679,656.41-7,010,126.98

Finding the Fourth Proportional to 12,811,345.23, 17,679,656.41 and 7,010,126.98

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Solution

The fourth proportional to 12,811,345.23, 17,679,656.41 and 7,010,126.98 is: 9,673,975.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,345.23 : 17,679,656.41 = 7,010,126.98 : x
  2. Step 2: Convert to fraction form
    12,811,345.23/17,679,656.41 = 7,010,126.98/x
  3. Step 3: Cross multiply
    12,811,345.23x = 17,679,656.41 × 7,010,126.98
  4. Step 4: Simplify right side
    12,811,345.23x = 123,936,636,374,578.45
  5. Step 5: Solve for x
    x = 123,936,636,374,578.45/12,811,345.23
  6. Step 6: Final answer
    x = 9,673,975.23

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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.