Home / 8,518,472.70-12,777,968.52-3,330,875.16

Finding the Fourth Proportional to 8,518,472.70, 12,777,968.52 and 3,330,875.16

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Solution

The fourth proportional to 8,518,472.70, 12,777,968.52 and 3,330,875.16 is: 4,996,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,472.70 : 12,777,968.52 = 3,330,875.16 : x
  2. Step 2: Convert to fraction form
    8,518,472.70/12,777,968.52 = 3,330,875.16/x
  3. Step 3: Cross multiply
    8,518,472.70x = 12,777,968.52 × 3,330,875.16
  4. Step 4: Simplify right side
    8,518,472.70x = 42,561,817,938,529.96
  5. Step 5: Solve for x
    x = 42,561,817,938,529.96/8,518,472.70
  6. Step 6: Final answer
    x = 4,996,414.20

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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.