Home / 9,788,154.31-13,497,121.61-6,115,729.33

Finding the Fourth Proportional to 9,788,154.31, 13,497,121.61 and 6,115,729.33

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Solution

The fourth proportional to 9,788,154.31, 13,497,121.61 and 6,115,729.33 is: 8,433,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788,154.31 : 13,497,121.61 = 6,115,729.33 : x
  2. Step 2: Convert to fraction form
    9,788,154.31/13,497,121.61 = 6,115,729.33/x
  3. Step 3: Cross multiply
    9,788,154.31x = 13,497,121.61 × 6,115,729.33
  4. Step 4: Simplify right side
    9,788,154.31x = 82,544,742,433,368.22
  5. Step 5: Solve for x
    x = 82,544,742,433,368.22/9,788,154.31
  6. Step 6: Final answer
    x = 8,433,126.40

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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.