Home / 21,921,178.47-32,889,070.23-7,349,539.86

Finding the Fourth Proportional to 21,921,178.47, 32,889,070.23 and 7,349,539.86

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Solution

The fourth proportional to 21,921,178.47, 32,889,070.23 and 7,349,539.86 is: 11,026,758.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921,178.47 : 32,889,070.23 = 7,349,539.86 : x
  2. Step 2: Convert to fraction form
    21,921,178.47/32,889,070.23 = 7,349,539.86/x
  3. Step 3: Cross multiply
    21,921,178.47x = 32,889,070.23 × 7,349,539.86
  4. Step 4: Simplify right side
    21,921,178.47x = 241,719,532,613,724.38
  5. Step 5: Solve for x
    x = 241,719,532,613,724.38/21,921,178.47
  6. Step 6: Final answer
    x = 11,026,758.12

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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.