Home / 28,539,056.16-42,815,123.37-12,367,722.06

Finding the Fourth Proportional to 28,539,056.16, 42,815,123.37 and 12,367,722.06

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Solution

The fourth proportional to 28,539,056.16, 42,815,123.37 and 12,367,722.06 is: 18,554,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539,056.16 : 42,815,123.37 = 12,367,722.06 : x
  2. Step 2: Convert to fraction form
    28,539,056.16/42,815,123.37 = 12,367,722.06/x
  3. Step 3: Cross multiply
    28,539,056.16x = 42,815,123.37 × 12,367,722.06
  4. Step 4: Simplify right side
    28,539,056.16x = 529,525,545,804,770.56
  5. Step 5: Solve for x
    x = 529,525,545,804,770.56/28,539,056.16
  6. Step 6: Final answer
    x = 18,554,416.90

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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.