Home / 10,203,897.64-14,081,378.28-5,620,219.12

Finding the Fourth Proportional to 10,203,897.64, 14,081,378.28 and 5,620,219.12

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Solution

The fourth proportional to 10,203,897.64, 14,081,378.28 and 5,620,219.12 is: 7,755,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203,897.64 : 14,081,378.28 = 5,620,219.12 : x
  2. Step 2: Convert to fraction form
    10,203,897.64/14,081,378.28 = 5,620,219.12/x
  3. Step 3: Cross multiply
    10,203,897.64x = 14,081,378.28 × 5,620,219.12
  4. Step 4: Simplify right side
    10,203,897.64x = 79,140,431,445,208.72
  5. Step 5: Solve for x
    x = 79,140,431,445,208.72/10,203,897.64
  6. Step 6: Final answer
    x = 7,755,902.13

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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.