Home / 30,597,141.76-45,878,913.60-21,014,932.48

Finding the Fourth Proportional to 30,597,141.76, 45,878,913.60 and 21,014,932.48

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Solution

The fourth proportional to 30,597,141.76, 45,878,913.60 and 21,014,932.48 is: 31,510,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597,141.76 : 45,878,913.60 = 21,014,932.48 : x
  2. Step 2: Convert to fraction form
    30,597,141.76/45,878,913.60 = 21,014,932.48/x
  3. Step 3: Cross multiply
    30,597,141.76x = 45,878,913.60 × 21,014,932.48
  4. Step 4: Simplify right side
    30,597,141.76x = 964,142,271,559,753.75
  5. Step 5: Solve for x
    x = 964,142,271,559,753.75/30,597,141.76
  6. Step 6: Final answer
    x = 31,510,860.69

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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.