Home / 51,622,405.04-77,433,263.10-20,916,531.38

Finding the Fourth Proportional to 51,622,405.04, 77,433,263.10 and 20,916,531.38

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Solution

The fourth proportional to 51,622,405.04, 77,433,263.10 and 20,916,531.38 is: 31,374,657.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622,405.04 : 77,433,263.10 = 20,916,531.38 : x
  2. Step 2: Convert to fraction form
    51,622,405.04/77,433,263.10 = 20,916,531.38/x
  3. Step 3: Cross multiply
    51,622,405.04x = 77,433,263.10 × 20,916,531.38
  4. Step 4: Simplify right side
    51,622,405.04x = 1,619,635,277,293,363
  5. Step 5: Solve for x
    x = 1,619,635,277,293,363/51,622,405.04
  6. Step 6: Final answer
    x = 31,374,657.50

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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.