Home / 13,006,001.80-19,509,002.70-6,628,709.80

Finding the Fourth Proportional to 13,006,001.80, 19,509,002.70 and 6,628,709.80

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Solution

The fourth proportional to 13,006,001.80, 19,509,002.70 and 6,628,709.80 is: 9,943,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006,001.80 : 19,509,002.70 = 6,628,709.80 : x
  2. Step 2: Convert to fraction form
    13,006,001.80/19,509,002.70 = 6,628,709.80/x
  3. Step 3: Cross multiply
    13,006,001.80x = 19,509,002.70 × 6,628,709.80
  4. Step 4: Simplify right side
    13,006,001.80x = 129,319,517,385,716.45
  5. Step 5: Solve for x
    x = 129,319,517,385,716.45/13,006,001.80
  6. Step 6: Final answer
    x = 9,943,064.70

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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.