Home / 11,210,173.76-15,453,849.12-7,985,311.04

Finding the Fourth Proportional to 11,210,173.76, 15,453,849.12 and 7,985,311.04

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Solution

The fourth proportional to 11,210,173.76, 15,453,849.12 and 7,985,311.04 is: 11,008,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210,173.76 : 15,453,849.12 = 7,985,311.04 : x
  2. Step 2: Convert to fraction form
    11,210,173.76/15,453,849.12 = 7,985,311.04/x
  3. Step 3: Cross multiply
    11,210,173.76x = 15,453,849.12 × 7,985,311.04
  4. Step 4: Simplify right side
    11,210,173.76x = 123,403,791,988,430.28
  5. Step 5: Solve for x
    x = 123,403,791,988,430.28/11,210,173.76
  6. Step 6: Final answer
    x = 11,008,196.18

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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.