Home / 39,981,998.40-59,972,997.20-9,689,861.40

Finding the Fourth Proportional to 39,981,998.40, 59,972,997.20 and 9,689,861.40

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Solution

The fourth proportional to 39,981,998.40, 59,972,997.20 and 9,689,861.40 is: 14,534,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,981,998.40 : 59,972,997.20 = 9,689,861.40 : x
  2. Step 2: Convert to fraction form
    39,981,998.40/59,972,997.20 = 9,689,861.40/x
  3. Step 3: Cross multiply
    39,981,998.40x = 59,972,997.20 × 9,689,861.40
  4. Step 4: Simplify right side
    39,981,998.40x = 581,130,030,562,138.75
  5. Step 5: Solve for x
    x = 581,130,030,562,138.75/39,981,998.40
  6. Step 6: Final answer
    x = 14,534,792.00

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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.