Home / 9,782,110.38-13,499,733.93-5,431,196.90

Finding the Fourth Proportional to 9,782,110.38, 13,499,733.93 and 5,431,196.90

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Solution

The fourth proportional to 9,782,110.38, 13,499,733.93 and 5,431,196.90 is: 7,495,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,782,110.38 : 13,499,733.93 = 5,431,196.90 : x
  2. Step 2: Convert to fraction form
    9,782,110.38/13,499,733.93 = 5,431,196.90/x
  3. Step 3: Cross multiply
    9,782,110.38x = 13,499,733.93 × 5,431,196.90
  4. Step 4: Simplify right side
    9,782,110.38x = 73,319,713,071,440.83
  5. Step 5: Solve for x
    x = 73,319,713,071,440.83/9,782,110.38
  6. Step 6: Final answer
    x = 7,495,285.80

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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.