Home / 39,366,972.80-59,050,459.20-12,440,628.80

Finding the Fourth Proportional to 39,366,972.80, 59,050,459.20 and 12,440,628.80

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Solution

The fourth proportional to 39,366,972.80, 59,050,459.20 and 12,440,628.80 is: 18,660,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,972.80 : 59,050,459.20 = 12,440,628.80 : x
  2. Step 2: Convert to fraction form
    39,366,972.80/59,050,459.20 = 12,440,628.80/x
  3. Step 3: Cross multiply
    39,366,972.80x = 59,050,459.20 × 12,440,628.80
  4. Step 4: Simplify right side
    39,366,972.80x = 734,624,843,376,745
  5. Step 5: Solve for x
    x = 734,624,843,376,745/39,366,972.80
  6. Step 6: Final answer
    x = 18,660,943.20

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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.