Home / 7,137,217.60-10,705,826.40-6,562,139.20

Finding the Fourth Proportional to 7,137,217.60, 10,705,826.40 and 6,562,139.20

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Solution

The fourth proportional to 7,137,217.60, 10,705,826.40 and 6,562,139.20 is: 9,843,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,217.60 : 10,705,826.40 = 6,562,139.20 : x
  2. Step 2: Convert to fraction form
    7,137,217.60/10,705,826.40 = 6,562,139.20/x
  3. Step 3: Cross multiply
    7,137,217.60x = 10,705,826.40 × 6,562,139.20
  4. Step 4: Simplify right side
    7,137,217.60x = 70,253,123,087,834.88
  5. Step 5: Solve for x
    x = 70,253,123,087,834.88/7,137,217.60
  6. Step 6: Final answer
    x = 9,843,208.80

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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.