Home / 8,326,689.60-11,484,491.53-7,167,109.40

Finding the Fourth Proportional to 8,326,689.60, 11,484,491.53 and 7,167,109.40

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Solution

The fourth proportional to 8,326,689.60, 11,484,491.53 and 7,167,109.40 is: 9,885,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326,689.60 : 11,484,491.53 = 7,167,109.40 : x
  2. Step 2: Convert to fraction form
    8,326,689.60/11,484,491.53 = 7,167,109.40/x
  3. Step 3: Cross multiply
    8,326,689.60x = 11,484,491.53 × 7,167,109.40
  4. Step 4: Simplify right side
    8,326,689.60x = 82,310,607,198,883.38
  5. Step 5: Solve for x
    x = 82,310,607,198,883.38/8,326,689.60
  6. Step 6: Final answer
    x = 9,885,153.78

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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.