Home / 8,521,113.60-12,781,670.40-4,042,137.60

Finding the Fourth Proportional to 8,521,113.60, 12,781,670.40 and 4,042,137.60

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Solution

The fourth proportional to 8,521,113.60, 12,781,670.40 and 4,042,137.60 is: 6,063,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521,113.60 : 12,781,670.40 = 4,042,137.60 : x
  2. Step 2: Convert to fraction form
    8,521,113.60/12,781,670.40 = 4,042,137.60/x
  3. Step 3: Cross multiply
    8,521,113.60x = 12,781,670.40 × 4,042,137.60
  4. Step 4: Simplify right side
    8,521,113.60x = 51,665,270,514,647.04
  5. Step 5: Solve for x
    x = 51,665,270,514,647.04/8,521,113.60
  6. Step 6: Final answer
    x = 6,063,206.40

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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.