Home / 10,005,330.60-13,807,369.35-5,421,648.33

Finding the Fourth Proportional to 10,005,330.60, 13,807,369.35 and 5,421,648.33

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Solution

The fourth proportional to 10,005,330.60, 13,807,369.35 and 5,421,648.33 is: 7,481,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005,330.60 : 13,807,369.35 = 5,421,648.33 : x
  2. Step 2: Convert to fraction form
    10,005,330.60/13,807,369.35 = 5,421,648.33/x
  3. Step 3: Cross multiply
    10,005,330.60x = 13,807,369.35 × 5,421,648.33
  4. Step 4: Simplify right side
    10,005,330.60x = 74,858,700,978,120.69
  5. Step 5: Solve for x
    x = 74,858,700,978,120.69/10,005,330.60
  6. Step 6: Final answer
    x = 7,481,881.81

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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.