Home / 8,311,926.40-12,464,779.20-2,918,492.80

Finding the Fourth Proportional to 8,311,926.40, 12,464,779.20 and 2,918,492.80

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Solution

The fourth proportional to 8,311,926.40, 12,464,779.20 and 2,918,492.80 is: 4,376,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,926.40 : 12,464,779.20 = 2,918,492.80 : x
  2. Step 2: Convert to fraction form
    8,311,926.40/12,464,779.20 = 2,918,492.80/x
  3. Step 3: Cross multiply
    8,311,926.40x = 12,464,779.20 × 2,918,492.80
  4. Step 4: Simplify right side
    8,311,926.40x = 36,378,368,348,789.76
  5. Step 5: Solve for x
    x = 36,378,368,348,789.76/8,311,926.40
  6. Step 6: Final answer
    x = 4,376,647.07

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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.