Home / 10,631,998.60-15,963,744.30-8,238,545.80

Finding the Fourth Proportional to 10,631,998.60, 15,963,744.30 and 8,238,545.80

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Solution

The fourth proportional to 10,631,998.60, 15,963,744.30 and 8,238,545.80 is: 12,370,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,998.60 : 15,963,744.30 = 8,238,545.80 : x
  2. Step 2: Convert to fraction form
    10,631,998.60/15,963,744.30 = 8,238,545.80/x
  3. Step 3: Cross multiply
    10,631,998.60x = 15,963,744.30 × 8,238,545.80
  4. Step 4: Simplify right side
    10,631,998.60x = 131,518,038,555,038.94
  5. Step 5: Solve for x
    x = 131,518,038,555,038.94/10,631,998.60
  6. Step 6: Final answer
    x = 12,370,020.30

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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.