Home / 8,031,415.80-12,047,123.70-2,712,631.80

Finding the Fourth Proportional to 8,031,415.80, 12,047,123.70 and 2,712,631.80

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Solution

The fourth proportional to 8,031,415.80, 12,047,123.70 and 2,712,631.80 is: 4,068,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031,415.80 : 12,047,123.70 = 2,712,631.80 : x
  2. Step 2: Convert to fraction form
    8,031,415.80/12,047,123.70 = 2,712,631.80/x
  3. Step 3: Cross multiply
    8,031,415.80x = 12,047,123.70 × 2,712,631.80
  4. Step 4: Simplify right side
    8,031,415.80x = 32,679,410,847,153.66
  5. Step 5: Solve for x
    x = 32,679,410,847,153.66/8,031,415.80
  6. Step 6: Final answer
    x = 4,068,947.70

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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.