Home / 21,456,707.60-32,157,067.80-9,940,840.40

Finding the Fourth Proportional to 21,456,707.60, 32,157,067.80 and 9,940,840.40

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Solution

The fourth proportional to 21,456,707.60, 32,157,067.80 and 9,940,840.40 is: 14,898,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,707.60 : 32,157,067.80 = 9,940,840.40 : x
  2. Step 2: Convert to fraction form
    21,456,707.60/32,157,067.80 = 9,940,840.40/x
  3. Step 3: Cross multiply
    21,456,707.60x = 32,157,067.80 × 9,940,840.40
  4. Step 4: Simplify right side
    21,456,707.60x = 319,668,278,731,779.12
  5. Step 5: Solve for x
    x = 319,668,278,731,779.12/21,456,707.60
  6. Step 6: Final answer
    x = 14,898,291.23

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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.