Home / 30,432,953.48-45,541,672.07-18,923,840.47

Finding the Fourth Proportional to 30,432,953.48, 45,541,672.07 and 18,923,840.47

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Solution

The fourth proportional to 30,432,953.48, 45,541,672.07 and 18,923,840.47 is: 28,318,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432,953.48 : 45,541,672.07 = 18,923,840.47 : x
  2. Step 2: Convert to fraction form
    30,432,953.48/45,541,672.07 = 18,923,840.47/x
  3. Step 3: Cross multiply
    30,432,953.48x = 45,541,672.07 × 18,923,840.47
  4. Step 4: Simplify right side
    30,432,953.48x = 861,823,336,762,026.25
  5. Step 5: Solve for x
    x = 861,823,336,762,026.25/30,432,953.48
  6. Step 6: Final answer
    x = 28,318,754.45

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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.