Home / 12,300,070.50-18,448,208.05-4,102,855.51

Finding the Fourth Proportional to 12,300,070.50, 18,448,208.05 and 4,102,855.51

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Solution

The fourth proportional to 12,300,070.50, 18,448,208.05 and 4,102,855.51 is: 6,153,650.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,300,070.50 : 18,448,208.05 = 4,102,855.51 : x
  2. Step 2: Convert to fraction form
    12,300,070.50/18,448,208.05 = 4,102,855.51/x
  3. Step 3: Cross multiply
    12,300,070.50x = 18,448,208.05 × 4,102,855.51
  4. Step 4: Simplify right side
    12,300,070.50x = 75,690,332,047,568.86
  5. Step 5: Solve for x
    x = 75,690,332,047,568.86/12,300,070.50
  6. Step 6: Final answer
    x = 6,153,650.26

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1.5x scale

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.