Home / 6,430,603.31-8,861,999.72-6,312,424.52

Finding the Fourth Proportional to 6,430,603.31, 8,861,999.72 and 6,312,424.52

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Solution

The fourth proportional to 6,430,603.31, 8,861,999.72 and 6,312,424.52 is: 8,699,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,603.31 : 8,861,999.72 = 6,312,424.52 : x
  2. Step 2: Convert to fraction form
    6,430,603.31/8,861,999.72 = 6,312,424.52/x
  3. Step 3: Cross multiply
    6,430,603.31x = 8,861,999.72 × 6,312,424.52
  4. Step 4: Simplify right side
    6,430,603.31x = 55,940,704,252,889.01
  5. Step 5: Solve for x
    x = 55,940,704,252,889.01/6,430,603.31
  6. Step 6: Final answer
    x = 8,699,137.79

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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.