Home / 9,724,729.59-13,420,934.96-5,374,665.09

Finding the Fourth Proportional to 9,724,729.59, 13,420,934.96 and 5,374,665.09

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Solution

The fourth proportional to 9,724,729.59, 13,420,934.96 and 5,374,665.09 is: 7,417,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724,729.59 : 13,420,934.96 = 5,374,665.09 : x
  2. Step 2: Convert to fraction form
    9,724,729.59/13,420,934.96 = 5,374,665.09/x
  3. Step 3: Cross multiply
    9,724,729.59x = 13,420,934.96 × 5,374,665.09
  4. Step 4: Simplify right side
    9,724,729.59x = 72,133,030,577,799.22
  5. Step 5: Solve for x
    x = 72,133,030,577,799.22/9,724,729.59
  6. Step 6: Final answer
    x = 7,417,484.46

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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.