Home / 12,357,376.80-18,498,740.40-10,864,384.80

Finding the Fourth Proportional to 12,357,376.80, 18,498,740.40 and 10,864,384.80

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Solution

The fourth proportional to 12,357,376.80, 18,498,740.40 and 10,864,384.80 is: 16,263,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,376.80 : 18,498,740.40 = 10,864,384.80 : x
  2. Step 2: Convert to fraction form
    12,357,376.80/18,498,740.40 = 10,864,384.80/x
  3. Step 3: Cross multiply
    12,357,376.80x = 18,498,740.40 × 10,864,384.80
  4. Step 4: Simplify right side
    12,357,376.80x = 200,977,434,020,905.91
  5. Step 5: Solve for x
    x = 200,977,434,020,905.91/12,357,376.80
  6. Step 6: Final answer
    x = 16,263,761.90

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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.