Home / 7,843,420.20-10,825,203.45-6,534,596.76

Finding the Fourth Proportional to 7,843,420.20, 10,825,203.45 and 6,534,596.76

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Solution

The fourth proportional to 7,843,420.20, 10,825,203.45 and 6,534,596.76 is: 9,018,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843,420.20 : 10,825,203.45 = 6,534,596.76 : x
  2. Step 2: Convert to fraction form
    7,843,420.20/10,825,203.45 = 6,534,596.76/x
  3. Step 3: Cross multiply
    7,843,420.20x = 10,825,203.45 × 6,534,596.76
  4. Step 4: Simplify right side
    7,843,420.20x = 70,738,339,390,710.81
  5. Step 5: Solve for x
    x = 70,738,339,390,710.81/7,843,420.20
  6. Step 6: Final answer
    x = 9,018,812.91

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Double scale
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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.