Home / 40,527,317.61-55,927,624.37-21,942,455.47

Finding the Fourth Proportional to 40,527,317.61, 55,927,624.37 and 21,942,455.47

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Solution

The fourth proportional to 40,527,317.61, 55,927,624.37 and 21,942,455.47 is: 30,280,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,527,317.61 : 55,927,624.37 = 21,942,455.47 : x
  2. Step 2: Convert to fraction form
    40,527,317.61/55,927,624.37 = 21,942,455.47/x
  3. Step 3: Cross multiply
    40,527,317.61x = 55,927,624.37 × 21,942,455.47
  4. Step 4: Simplify right side
    40,527,317.61x = 1,227,189,407,281,611.75
  5. Step 5: Solve for x
    x = 1,227,189,407,281,611.75/40,527,317.61
  6. Step 6: Final answer
    x = 30,280,548.52

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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.