Home / 15,515,877.90-23,284,314.45-6,991,826.70

Finding the Fourth Proportional to 15,515,877.90, 23,284,314.45 and 6,991,826.70

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Solution

The fourth proportional to 15,515,877.90, 23,284,314.45 and 6,991,826.70 is: 10,492,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515,877.90 : 23,284,314.45 = 6,991,826.70 : x
  2. Step 2: Convert to fraction form
    15,515,877.90/23,284,314.45 = 6,991,826.70/x
  3. Step 3: Cross multiply
    15,515,877.90x = 23,284,314.45 × 6,991,826.70
  4. Step 4: Simplify right side
    15,515,877.90x = 162,799,891,462,705.81
  5. Step 5: Solve for x
    x = 162,799,891,462,705.81/15,515,877.90
  6. Step 6: Final answer
    x = 10,492,470.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.