Home / 19,078,673.51-28,600,691.36-6,939,555.05

Finding the Fourth Proportional to 19,078,673.51, 28,600,691.36 and 6,939,555.05

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Solution

The fourth proportional to 19,078,673.51, 28,600,691.36 and 6,939,555.05 is: 10,403,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078,673.51 : 28,600,691.36 = 6,939,555.05 : x
  2. Step 2: Convert to fraction form
    19,078,673.51/28,600,691.36 = 6,939,555.05/x
  3. Step 3: Cross multiply
    19,078,673.51x = 28,600,691.36 × 6,939,555.05
  4. Step 4: Simplify right side
    19,078,673.51x = 198,476,072,197,583.34
  5. Step 5: Solve for x
    x = 198,476,072,197,583.34/19,078,673.51
  6. Step 6: Final answer
    x = 10,403,033.11

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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.