Home / 7,405,448.73-10,220,464.62-4,142,444.73

Finding the Fourth Proportional to 7,405,448.73, 10,220,464.62 and 4,142,444.73

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Solution

The fourth proportional to 7,405,448.73, 10,220,464.62 and 4,142,444.73 is: 5,717,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,448.73 : 10,220,464.62 = 4,142,444.73 : x
  2. Step 2: Convert to fraction form
    7,405,448.73/10,220,464.62 = 4,142,444.73/x
  3. Step 3: Cross multiply
    7,405,448.73x = 10,220,464.62 × 4,142,444.73
  4. Step 4: Simplify right side
    7,405,448.73x = 42,337,709,803,270.45
  5. Step 5: Solve for x
    x = 42,337,709,803,270.45/7,405,448.73
  6. Step 6: Final answer
    x = 5,717,102.55

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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.