Home / 6,912,673.20-10,369,009.80-6,520,762.80

Finding the Fourth Proportional to 6,912,673.20, 10,369,009.80 and 6,520,762.80

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Solution

The fourth proportional to 6,912,673.20, 10,369,009.80 and 6,520,762.80 is: 9,781,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,673.20 : 10,369,009.80 = 6,520,762.80 : x
  2. Step 2: Convert to fraction form
    6,912,673.20/10,369,009.80 = 6,520,762.80/x
  3. Step 3: Cross multiply
    6,912,673.20x = 10,369,009.80 × 6,520,762.80
  4. Step 4: Simplify right side
    6,912,673.20x = 67,613,853,376,675.45
  5. Step 5: Solve for x
    x = 67,613,853,376,675.45/6,912,673.20
  6. Step 6: Final answer
    x = 9,781,144.20

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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.