Home / 28,590,135.90-42,890,733.45-8,396,036.70

Finding the Fourth Proportional to 28,590,135.90, 42,890,733.45 and 8,396,036.70

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Solution

The fourth proportional to 28,590,135.90, 42,890,733.45 and 8,396,036.70 is: 12,595,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590,135.90 : 42,890,733.45 = 8,396,036.70 : x
  2. Step 2: Convert to fraction form
    28,590,135.90/42,890,733.45 = 8,396,036.70/x
  3. Step 3: Cross multiply
    28,590,135.90x = 42,890,733.45 × 8,396,036.70
  4. Step 4: Simplify right side
    28,590,135.90x = 360,112,172,136,117.62
  5. Step 5: Solve for x
    x = 360,112,172,136,117.62/28,590,135.90
  6. Step 6: Final answer
    x = 12,595,678.92

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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.