Home / 13,285,871.70-19,928,807.55-8,498,966.10

Finding the Fourth Proportional to 13,285,871.70, 19,928,807.55 and 8,498,966.10

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Solution

The fourth proportional to 13,285,871.70, 19,928,807.55 and 8,498,966.10 is: 12,748,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,871.70 : 19,928,807.55 = 8,498,966.10 : x
  2. Step 2: Convert to fraction form
    13,285,871.70/19,928,807.55 = 8,498,966.10/x
  3. Step 3: Cross multiply
    13,285,871.70x = 19,928,807.55 × 8,498,966.10
  4. Step 4: Simplify right side
    13,285,871.70x = 169,374,259,780,874.06
  5. Step 5: Solve for x
    x = 169,374,259,780,874.06/13,285,871.70
  6. Step 6: Final answer
    x = 12,748,449.15

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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.