Home / 11,236,492.80-16,854,739.20-6,458,918.40

Finding the Fourth Proportional to 11,236,492.80, 16,854,739.20 and 6,458,918.40

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Solution

The fourth proportional to 11,236,492.80, 16,854,739.20 and 6,458,918.40 is: 9,688,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236,492.80 : 16,854,739.20 = 6,458,918.40 : x
  2. Step 2: Convert to fraction form
    11,236,492.80/16,854,739.20 = 6,458,918.40/x
  3. Step 3: Cross multiply
    11,236,492.80x = 16,854,739.20 × 6,458,918.40
  4. Step 4: Simplify right side
    11,236,492.80x = 108,863,385,146,081.28
  5. Step 5: Solve for x
    x = 108,863,385,146,081.28/11,236,492.80
  6. Step 6: Final answer
    x = 9,688,377.60

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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.