Home / 35,280,107.20-52,920,160.80-12,586,628.80

Finding the Fourth Proportional to 35,280,107.20, 52,920,160.80 and 12,586,628.80

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Solution

The fourth proportional to 35,280,107.20, 52,920,160.80 and 12,586,628.80 is: 18,879,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,280,107.20 : 52,920,160.80 = 12,586,628.80 : x
  2. Step 2: Convert to fraction form
    35,280,107.20/52,920,160.80 = 12,586,628.80/x
  3. Step 3: Cross multiply
    35,280,107.20x = 52,920,160.80 × 12,586,628.80
  4. Step 4: Simplify right side
    35,280,107.20x = 666,086,420,025,911
  5. Step 5: Solve for x
    x = 666,086,420,025,911/35,280,107.20
  6. Step 6: Final answer
    x = 18,879,943.20

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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.