Home / 28,118,434.60-42,079,674.30-16,767,029.80

Finding the Fourth Proportional to 28,118,434.60, 42,079,674.30 and 16,767,029.80

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Solution

The fourth proportional to 28,118,434.60, 42,079,674.30 and 16,767,029.80 is: 25,092,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118,434.60 : 42,079,674.30 = 16,767,029.80 : x
  2. Step 2: Convert to fraction form
    28,118,434.60/42,079,674.30 = 16,767,029.80/x
  3. Step 3: Cross multiply
    28,118,434.60x = 42,079,674.30 × 16,767,029.80
  4. Step 4: Simplify right side
    28,118,434.60x = 705,551,152,962,394.12
  5. Step 5: Solve for x
    x = 705,551,152,962,394.12/28,118,434.60
  6. Step 6: Final answer
    x = 25,092,120.63

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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.