Home / 28,194,905.40-42,303,417.30-10,245,823.80

Finding the Fourth Proportional to 28,194,905.40, 42,303,417.30 and 10,245,823.80

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Solution

The fourth proportional to 28,194,905.40, 42,303,417.30 and 10,245,823.80 is: 15,372,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194,905.40 : 42,303,417.30 = 10,245,823.80 : x
  2. Step 2: Convert to fraction form
    28,194,905.40/42,303,417.30 = 10,245,823.80/x
  3. Step 3: Cross multiply
    28,194,905.40x = 42,303,417.30 × 10,245,823.80
  4. Step 4: Simplify right side
    28,194,905.40x = 433,433,359,793,671.75
  5. Step 5: Solve for x
    x = 433,433,359,793,671.75/28,194,905.40
  6. Step 6: Final answer
    x = 15,372,754.53

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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.