Home / 13,326,374.27-18,390,518.17-7,819,840.89

Finding the Fourth Proportional to 13,326,374.27, 18,390,518.17 and 7,819,840.89

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Solution

The fourth proportional to 13,326,374.27, 18,390,518.17 and 7,819,840.89 is: 10,791,451.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326,374.27 : 18,390,518.17 = 7,819,840.89 : x
  2. Step 2: Convert to fraction form
    13,326,374.27/18,390,518.17 = 7,819,840.89/x
  3. Step 3: Cross multiply
    13,326,374.27x = 18,390,518.17 × 7,819,840.89
  4. Step 4: Simplify right side
    13,326,374.27x = 143,810,925,954,504.38
  5. Step 5: Solve for x
    x = 143,810,925,954,504.38/13,326,374.27
  6. Step 6: Final answer
    x = 10,791,451.82

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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.