Home / 6,430,603.06-8,861,999.37-6,312,424.26

Finding the Fourth Proportional to 6,430,603.06, 8,861,999.37 and 6,312,424.26

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Solution

The fourth proportional to 6,430,603.06, 8,861,999.37 and 6,312,424.26 is: 8,699,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,603.06 : 8,861,999.37 = 6,312,424.26 : x
  2. Step 2: Convert to fraction form
    6,430,603.06/8,861,999.37 = 6,312,424.26/x
  3. Step 3: Cross multiply
    6,430,603.06x = 8,861,999.37 × 6,312,424.26
  4. Step 4: Simplify right side
    6,430,603.06x = 55,940,699,815,292.71
  5. Step 5: Solve for x
    x = 55,940,699,815,292.71/6,430,603.06
  6. Step 6: Final answer
    x = 8,699,137.44

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1.5x scale

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.