Home / 28,593,822.40-42,898,336.80-12,412,830.40

Finding the Fourth Proportional to 28,593,822.40, 42,898,336.80 and 12,412,830.40

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Solution

The fourth proportional to 28,593,822.40, 42,898,336.80 and 12,412,830.40 is: 18,622,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,593,822.40 : 42,898,336.80 = 12,412,830.40 : x
  2. Step 2: Convert to fraction form
    28,593,822.40/42,898,336.80 = 12,412,830.40/x
  3. Step 3: Cross multiply
    28,593,822.40x = 42,898,336.80 × 12,412,830.40
  4. Step 4: Simplify right side
    28,593,822.40x = 532,489,779,140,478.69
  5. Step 5: Solve for x
    x = 532,489,779,140,478.69/28,593,822.40
  6. Step 6: Final answer
    x = 18,622,546.22

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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.