Home / 28,970,622.80-43,455,934.20-9,802,005.20

Finding the Fourth Proportional to 28,970,622.80, 43,455,934.20 and 9,802,005.20

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Solution

The fourth proportional to 28,970,622.80, 43,455,934.20 and 9,802,005.20 is: 14,703,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,622.80 : 43,455,934.20 = 9,802,005.20 : x
  2. Step 2: Convert to fraction form
    28,970,622.80/43,455,934.20 = 9,802,005.20/x
  3. Step 3: Cross multiply
    28,970,622.80x = 43,455,934.20 × 9,802,005.20
  4. Step 4: Simplify right side
    28,970,622.80x = 425,955,292,999,257.81
  5. Step 5: Solve for x
    x = 425,955,292,999,257.81/28,970,622.80
  6. Step 6: Final answer
    x = 14,703,007.80

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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.