Home / 28,331,437.80-42,514,652.70-11,290,333.80

Finding the Fourth Proportional to 28,331,437.80, 42,514,652.70 and 11,290,333.80

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Solution

The fourth proportional to 28,331,437.80, 42,514,652.70 and 11,290,333.80 is: 16,942,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,437.80 : 42,514,652.70 = 11,290,333.80 : x
  2. Step 2: Convert to fraction form
    28,331,437.80/42,514,652.70 = 11,290,333.80/x
  3. Step 3: Cross multiply
    28,331,437.80x = 42,514,652.70 × 11,290,333.80
  4. Step 4: Simplify right side
    28,331,437.80x = 480,004,620,374,071.31
  5. Step 5: Solve for x
    x = 480,004,620,374,071.31/28,331,437.80
  6. Step 6: Final answer
    x = 16,942,473.01

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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.