Home / 56,905,881.36-85,359,046.16-13,775,015.48

Finding the Fourth Proportional to 56,905,881.36, 85,359,046.16 and 13,775,015.48

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Solution

The fourth proportional to 56,905,881.36, 85,359,046.16 and 13,775,015.48 is: 20,662,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,905,881.36 : 85,359,046.16 = 13,775,015.48 : x
  2. Step 2: Convert to fraction form
    56,905,881.36/85,359,046.16 = 13,775,015.48/x
  3. Step 3: Cross multiply
    56,905,881.36x = 85,359,046.16 × 13,775,015.48
  4. Step 4: Simplify right side
    56,905,881.36x = 1,175,822,182,212,034.50
  5. Step 5: Solve for x
    x = 1,175,822,182,212,034.50/56,905,881.36
  6. Step 6: Final answer
    x = 20,662,577.47

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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.