Home / 13,042,074.50-17,997,360.24-7,240,482.80

Finding the Fourth Proportional to 13,042,074.50, 17,997,360.24 and 7,240,482.80

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Solution

The fourth proportional to 13,042,074.50, 17,997,360.24 and 7,240,482.80 is: 9,991,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042,074.50 : 17,997,360.24 = 7,240,482.80 : x
  2. Step 2: Convert to fraction form
    13,042,074.50/17,997,360.24 = 7,240,482.80/x
  3. Step 3: Cross multiply
    13,042,074.50x = 17,997,360.24 × 7,240,482.80
  4. Step 4: Simplify right side
    13,042,074.50x = 130,309,577,263,123.86
  5. Step 5: Solve for x
    x = 130,309,577,263,123.86/13,042,074.50
  6. Step 6: Final answer
    x = 9,991,476.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.