Home / 42,774,799.20-64,177,945.20-14,021,872.80

Finding the Fourth Proportional to 42,774,799.20, 64,177,945.20 and 14,021,872.80

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Solution

The fourth proportional to 42,774,799.20, 64,177,945.20 and 14,021,872.80 is: 21,037,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,774,799.20 : 64,177,945.20 = 14,021,872.80 : x
  2. Step 2: Convert to fraction form
    42,774,799.20/64,177,945.20 = 14,021,872.80/x
  3. Step 3: Cross multiply
    42,774,799.20x = 64,177,945.20 × 14,021,872.80
  4. Step 4: Simplify right side
    42,774,799.20x = 899,894,984,159,770.62
  5. Step 5: Solve for x
    x = 899,894,984,159,770.62/42,774,799.20
  6. Step 6: Final answer
    x = 21,037,970.98

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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.