Home / 21,596,874-32,407,268.40-12,939,699.84

Finding the Fourth Proportional to 21,596,874, 32,407,268.40 and 12,939,699.84

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Solution

The fourth proportional to 21,596,874, 32,407,268.40 and 12,939,699.84 is: 19,416,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596,874 : 32,407,268.40 = 12,939,699.84 : x
  2. Step 2: Convert to fraction form
    21,596,874/32,407,268.40 = 12,939,699.84/x
  3. Step 3: Cross multiply
    21,596,874x = 32,407,268.40 × 12,939,699.84
  4. Step 4: Simplify right side
    21,596,874x = 419,340,325,730,317.06
  5. Step 5: Solve for x
    x = 419,340,325,730,317.06/21,596,874
  6. Step 6: Final answer
    x = 19,416,714.00

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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.