Home / 19,658,431.80-29,487,647.70-17,745,244.20

Finding the Fourth Proportional to 19,658,431.80, 29,487,647.70 and 17,745,244.20

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Solution

The fourth proportional to 19,658,431.80, 29,487,647.70 and 17,745,244.20 is: 26,617,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658,431.80 : 29,487,647.70 = 17,745,244.20 : x
  2. Step 2: Convert to fraction form
    19,658,431.80/29,487,647.70 = 17,745,244.20/x
  3. Step 3: Cross multiply
    19,658,431.80x = 29,487,647.70 × 17,745,244.20
  4. Step 4: Simplify right side
    19,658,431.80x = 523,265,509,320,068.31
  5. Step 5: Solve for x
    x = 523,265,509,320,068.31/19,658,431.80
  6. Step 6: Final answer
    x = 26,617,866.30

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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.