Home / 15,445,264-21,238,881.60-13,404,530.56

Finding the Fourth Proportional to 15,445,264, 21,238,881.60 and 13,404,530.56

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Solution

The fourth proportional to 15,445,264, 21,238,881.60 and 13,404,530.56 is: 18,432,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445,264 : 21,238,881.60 = 13,404,530.56 : x
  2. Step 2: Convert to fraction form
    15,445,264/21,238,881.60 = 13,404,530.56/x
  3. Step 3: Cross multiply
    15,445,264x = 21,238,881.60 × 13,404,530.56
  4. Step 4: Simplify right side
    15,445,264x = 284,697,237,467,421.75
  5. Step 5: Solve for x
    x = 284,697,237,467,421.75/15,445,264
  6. Step 6: Final answer
    x = 18,432,655.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.