Home / 21,088,421.34-31,596,525.45-11,510,523.42

Finding the Fourth Proportional to 21,088,421.34, 31,596,525.45 and 11,510,523.42

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Solution

The fourth proportional to 21,088,421.34, 31,596,525.45 and 11,510,523.42 is: 17,246,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088,421.34 : 31,596,525.45 = 11,510,523.42 : x
  2. Step 2: Convert to fraction form
    21,088,421.34/31,596,525.45 = 11,510,523.42/x
  3. Step 3: Cross multiply
    21,088,421.34x = 31,596,525.45 × 11,510,523.42
  4. Step 4: Simplify right side
    21,088,421.34x = 363,692,546,182,851
  5. Step 5: Solve for x
    x = 363,692,546,182,851/21,088,421.34
  6. Step 6: Final answer
    x = 17,246,077.38

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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.