Home / 12,766,926.70-19,152,139.65-4,246,374.70

Finding the Fourth Proportional to 12,766,926.70, 19,152,139.65 and 4,246,374.70

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Solution

The fourth proportional to 12,766,926.70, 19,152,139.65 and 4,246,374.70 is: 6,370,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766,926.70 : 19,152,139.65 = 4,246,374.70 : x
  2. Step 2: Convert to fraction form
    12,766,926.70/19,152,139.65 = 4,246,374.70/x
  3. Step 3: Cross multiply
    12,766,926.70x = 19,152,139.65 × 4,246,374.70
  4. Step 4: Simplify right side
    12,766,926.70x = 81,327,161,260,626.86
  5. Step 5: Solve for x
    x = 81,327,161,260,626.86/12,766,926.70
  6. Step 6: Final answer
    x = 6,370,143.98

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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.