Home / 28,404,330.40-42,606,495.60-17,633,792.80

Finding the Fourth Proportional to 28,404,330.40, 42,606,495.60 and 17,633,792.80

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Solution

The fourth proportional to 28,404,330.40, 42,606,495.60 and 17,633,792.80 is: 26,450,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,404,330.40 : 42,606,495.60 = 17,633,792.80 : x
  2. Step 2: Convert to fraction form
    28,404,330.40/42,606,495.60 = 17,633,792.80/x
  3. Step 3: Cross multiply
    28,404,330.40x = 42,606,495.60 × 17,633,792.80
  4. Step 4: Simplify right side
    28,404,330.40x = 751,314,115,344,511.75
  5. Step 5: Solve for x
    x = 751,314,115,344,511.75/28,404,330.40
  6. Step 6: Final answer
    x = 26,450,689.20

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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.