Home / 28,838,909.40-43,258,364.10-26,649,187.80

Finding the Fourth Proportional to 28,838,909.40, 43,258,364.10 and 26,649,187.80

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Solution

The fourth proportional to 28,838,909.40, 43,258,364.10 and 26,649,187.80 is: 39,973,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838,909.40 : 43,258,364.10 = 26,649,187.80 : x
  2. Step 2: Convert to fraction form
    28,838,909.40/43,258,364.10 = 26,649,187.80/x
  3. Step 3: Cross multiply
    28,838,909.40x = 43,258,364.10 × 26,649,187.80
  4. Step 4: Simplify right side
    28,838,909.40x = 1,152,800,268,821,678
  5. Step 5: Solve for x
    x = 1,152,800,268,821,678/28,838,909.40
  6. Step 6: Final answer
    x = 39,973,781.70

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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.