Home / 11,877,763.50-16,391,357.37-6,445,255.50

Finding the Fourth Proportional to 11,877,763.50, 16,391,357.37 and 6,445,255.50

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Solution

The fourth proportional to 11,877,763.50, 16,391,357.37 and 6,445,255.50 is: 8,894,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877,763.50 : 16,391,357.37 = 6,445,255.50 : x
  2. Step 2: Convert to fraction form
    11,877,763.50/16,391,357.37 = 6,445,255.50/x
  3. Step 3: Cross multiply
    11,877,763.50x = 16,391,357.37 × 6,445,255.50
  4. Step 4: Simplify right side
    11,877,763.50x = 105,646,486,241,458.03
  5. Step 5: Solve for x
    x = 105,646,486,241,458.03/11,877,763.50
  6. Step 6: Final answer
    x = 8,894,476.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.