Home / 19,259,608.06-28,893,191.13-7,129,177.66

Finding the Fourth Proportional to 19,259,608.06, 28,893,191.13 and 7,129,177.66

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Solution

The fourth proportional to 19,259,608.06, 28,893,191.13 and 7,129,177.66 is: 10,695,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,259,608.06 : 28,893,191.13 = 7,129,177.66 : x
  2. Step 2: Convert to fraction form
    19,259,608.06/28,893,191.13 = 7,129,177.66/x
  3. Step 3: Cross multiply
    19,259,608.06x = 28,893,191.13 × 7,129,177.66
  4. Step 4: Simplify right side
    19,259,608.06x = 205,984,692,730,106.16
  5. Step 5: Solve for x
    x = 205,984,692,730,106.16/19,259,608.06
  6. Step 6: Final answer
    x = 10,695,165.35

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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.