Home / 12,775,603.38-17,636,655.24-7,883,520.06

Finding the Fourth Proportional to 12,775,603.38, 17,636,655.24 and 7,883,520.06

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Solution

The fourth proportional to 12,775,603.38, 17,636,655.24 and 7,883,520.06 is: 10,883,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,603.38 : 17,636,655.24 = 7,883,520.06 : x
  2. Step 2: Convert to fraction form
    12,775,603.38/17,636,655.24 = 7,883,520.06/x
  3. Step 3: Cross multiply
    12,775,603.38x = 17,636,655.24 × 7,883,520.06
  4. Step 4: Simplify right side
    12,775,603.38x = 139,038,925,375,844.09
  5. Step 5: Solve for x
    x = 139,038,925,375,844.09/12,775,603.38
  6. Step 6: Final answer
    x = 10,883,159.19

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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.