Home / 19,293,687.06-28,918,516-7,771,781.61

Finding the Fourth Proportional to 19,293,687.06, 28,918,516 and 7,771,781.61

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Solution

The fourth proportional to 19,293,687.06, 28,918,516 and 7,771,781.61 is: 11,648,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293,687.06 : 28,918,516 = 7,771,781.61 : x
  2. Step 2: Convert to fraction form
    19,293,687.06/28,918,516 = 7,771,781.61/x
  3. Step 3: Cross multiply
    19,293,687.06x = 28,918,516 × 7,771,781.61
  4. Step 4: Simplify right side
    19,293,687.06x = 224,748,390,837,290.78
  5. Step 5: Solve for x
    x = 224,748,390,837,290.78/19,293,687.06
  6. Step 6: Final answer
    x = 11,648,804.61

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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.