Home / 13,286,886.60-18,335,903.40-7,175,314.56

Finding the Fourth Proportional to 13,286,886.60, 18,335,903.40 and 7,175,314.56

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Solution

The fourth proportional to 13,286,886.60, 18,335,903.40 and 7,175,314.56 is: 9,901,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,886.60 : 18,335,903.40 = 7,175,314.56 : x
  2. Step 2: Convert to fraction form
    13,286,886.60/18,335,903.40 = 7,175,314.56/x
  3. Step 3: Cross multiply
    13,286,886.60x = 18,335,903.40 × 7,175,314.56
  4. Step 4: Simplify right side
    13,286,886.60x = 131,565,874,636,773.48
  5. Step 5: Solve for x
    x = 131,565,874,636,773.48/13,286,886.60
  6. Step 6: Final answer
    x = 9,901,934.03

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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.