Home / 13,208,700.80-19,813,051.20-8,904,028.70

Finding the Fourth Proportional to 13,208,700.80, 19,813,051.20 and 8,904,028.70

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Solution

The fourth proportional to 13,208,700.80, 19,813,051.20 and 8,904,028.70 is: 13,356,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,700.80 : 19,813,051.20 = 8,904,028.70 : x
  2. Step 2: Convert to fraction form
    13,208,700.80/19,813,051.20 = 8,904,028.70/x
  3. Step 3: Cross multiply
    13,208,700.80x = 19,813,051.20 × 8,904,028.70
  4. Step 4: Simplify right side
    13,208,700.80x = 176,415,976,519,369.41
  5. Step 5: Solve for x
    x = 176,415,976,519,369.41/13,208,700.80
  6. Step 6: Final answer
    x = 13,356,043.05

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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.