Home / 8,816,720.70-13,221,970.65-3,137,130.30

Finding the Fourth Proportional to 8,816,720.70, 13,221,970.65 and 3,137,130.30

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Solution

The fourth proportional to 8,816,720.70, 13,221,970.65 and 3,137,130.30 is: 4,704,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816,720.70 : 13,221,970.65 = 3,137,130.30 : x
  2. Step 2: Convert to fraction form
    8,816,720.70/13,221,970.65 = 3,137,130.30/x
  3. Step 3: Cross multiply
    8,816,720.70x = 13,221,970.65 × 3,137,130.30
  4. Step 4: Simplify right side
    8,816,720.70x = 41,479,044,751,825.70
  5. Step 5: Solve for x
    x = 41,479,044,751,825.70/8,816,720.70
  6. Step 6: Final answer
    x = 4,704,588.72

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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.