Home / 19,209,640.40-28,816,479.12-6,256,799.72

Finding the Fourth Proportional to 19,209,640.40, 28,816,479.12 and 6,256,799.72

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Solution

The fourth proportional to 19,209,640.40, 28,816,479.12 and 6,256,799.72 is: 9,385,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209,640.40 : 28,816,479.12 = 6,256,799.72 : x
  2. Step 2: Convert to fraction form
    19,209,640.40/28,816,479.12 = 6,256,799.72/x
  3. Step 3: Cross multiply
    19,209,640.40x = 28,816,479.12 × 6,256,799.72
  4. Step 4: Simplify right side
    19,209,640.40x = 180,298,938,345,319.44
  5. Step 5: Solve for x
    x = 180,298,938,345,319.44/19,209,640.40
  6. Step 6: Final answer
    x = 9,385,857.03

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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.