Home / 28,128,701.40-42,081,077.70-24,383,779.80

Finding the Fourth Proportional to 28,128,701.40, 42,081,077.70 and 24,383,779.80

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Solution

The fourth proportional to 28,128,701.40, 42,081,077.70 and 24,383,779.80 is: 36,478,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,128,701.40 : 42,081,077.70 = 24,383,779.80 : x
  2. Step 2: Convert to fraction form
    28,128,701.40/42,081,077.70 = 24,383,779.80/x
  3. Step 3: Cross multiply
    28,128,701.40x = 42,081,077.70 × 24,383,779.80
  4. Step 4: Simplify right side
    28,128,701.40x = 1,026,095,732,383,490.62
  5. Step 5: Solve for x
    x = 1,026,095,732,383,490.62/28,128,701.40
  6. Step 6: Final answer
    x = 36,478,603.04

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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.