Home / 10,078,564.11-15,117,714.95-2,505,595.47

Finding the Fourth Proportional to 10,078,564.11, 15,117,714.95 and 2,505,595.47

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Solution

The fourth proportional to 10,078,564.11, 15,117,714.95 and 2,505,595.47 is: 3,758,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,564.11 : 15,117,714.95 = 2,505,595.47 : x
  2. Step 2: Convert to fraction form
    10,078,564.11/15,117,714.95 = 2,505,595.47/x
  3. Step 3: Cross multiply
    10,078,564.11x = 15,117,714.95 × 2,505,595.47
  4. Step 4: Simplify right side
    10,078,564.11x = 37,878,878,082,943.30
  5. Step 5: Solve for x
    x = 37,878,878,082,943.30/10,078,564.11
  6. Step 6: Final answer
    x = 3,758,360.58

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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.