Home / 43,342,677.99-65,015,200.40-12,636,515.26

Finding the Fourth Proportional to 43,342,677.99, 65,015,200.40 and 12,636,515.26

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Solution

The fourth proportional to 43,342,677.99, 65,015,200.40 and 12,636,515.26 is: 18,955,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,342,677.99 : 65,015,200.40 = 12,636,515.26 : x
  2. Step 2: Convert to fraction form
    43,342,677.99/65,015,200.40 = 12,636,515.26/x
  3. Step 3: Cross multiply
    43,342,677.99x = 65,015,200.40 × 12,636,515.26
  4. Step 4: Simplify right side
    43,342,677.99x = 821,565,572,004,644.62
  5. Step 5: Solve for x
    x = 821,565,572,004,644.62/43,342,677.99
  6. Step 6: Final answer
    x = 18,955,117.91

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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.