Home / 21,301,672.80-31,952,509.20-17,900,450.40

Finding the Fourth Proportional to 21,301,672.80, 31,952,509.20 and 17,900,450.40

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Solution

The fourth proportional to 21,301,672.80, 31,952,509.20 and 17,900,450.40 is: 26,850,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,301,672.80 : 31,952,509.20 = 17,900,450.40 : x
  2. Step 2: Convert to fraction form
    21,301,672.80/31,952,509.20 = 17,900,450.40/x
  3. Step 3: Cross multiply
    21,301,672.80x = 31,952,509.20 × 17,900,450.40
  4. Step 4: Simplify right side
    21,301,672.80x = 571,964,306,090,143.62
  5. Step 5: Solve for x
    x = 571,964,306,090,143.62/21,301,672.80
  6. Step 6: Final answer
    x = 26,850,675.60

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1.5x scale

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.