Home / 6,603,999.80-9,905,999.70-4,292,231.45

Finding the Fourth Proportional to 6,603,999.80, 9,905,999.70 and 4,292,231.45

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Solution

The fourth proportional to 6,603,999.80, 9,905,999.70 and 4,292,231.45 is: 6,438,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603,999.80 : 9,905,999.70 = 4,292,231.45 : x
  2. Step 2: Convert to fraction form
    6,603,999.80/9,905,999.70 = 4,292,231.45/x
  3. Step 3: Cross multiply
    6,603,999.80x = 9,905,999.70 × 4,292,231.45
  4. Step 4: Simplify right side
    6,603,999.80x = 42,518,843,456,030.56
  5. Step 5: Solve for x
    x = 42,518,843,456,030.56/6,603,999.80
  6. Step 6: Final answer
    x = 6,438,347.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.