Home / 21,538,776.42-32,298,699.51-8,066,156.58

Finding the Fourth Proportional to 21,538,776.42, 32,298,699.51 and 8,066,156.58

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Solution

The fourth proportional to 21,538,776.42, 32,298,699.51 and 8,066,156.58 is: 12,095,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,538,776.42 : 32,298,699.51 = 8,066,156.58 : x
  2. Step 2: Convert to fraction form
    21,538,776.42/32,298,699.51 = 8,066,156.58/x
  3. Step 3: Cross multiply
    21,538,776.42x = 32,298,699.51 × 8,066,156.58
  4. Step 4: Simplify right side
    21,538,776.42x = 260,526,367,578,029.28
  5. Step 5: Solve for x
    x = 260,526,367,578,029.28/21,538,776.42
  6. Step 6: Final answer
    x = 12,095,690.23

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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.