Home / 28,304,171.15-42,448,046.90-11,028,518.69

Finding the Fourth Proportional to 28,304,171.15, 42,448,046.90 and 11,028,518.69

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Solution

The fourth proportional to 28,304,171.15, 42,448,046.90 and 11,028,518.69 is: 16,539,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,304,171.15 : 42,448,046.90 = 11,028,518.69 : x
  2. Step 2: Convert to fraction form
    28,304,171.15/42,448,046.90 = 11,028,518.69/x
  3. Step 3: Cross multiply
    28,304,171.15x = 42,448,046.90 × 11,028,518.69
  4. Step 4: Simplify right side
    28,304,171.15x = 468,139,078,323,263.81
  5. Step 5: Solve for x
    x = 468,139,078,323,263.81/28,304,171.15
  6. Step 6: Final answer
    x = 16,539,579.13

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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.