Home / 13,772,275.40-20,658,413.10-7,394,983.40

Finding the Fourth Proportional to 13,772,275.40, 20,658,413.10 and 7,394,983.40

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Solution

The fourth proportional to 13,772,275.40, 20,658,413.10 and 7,394,983.40 is: 11,092,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,275.40 : 20,658,413.10 = 7,394,983.40 : x
  2. Step 2: Convert to fraction form
    13,772,275.40/20,658,413.10 = 7,394,983.40/x
  3. Step 3: Cross multiply
    13,772,275.40x = 20,658,413.10 × 7,394,983.40
  4. Step 4: Simplify right side
    13,772,275.40x = 152,768,621,944,842.56
  5. Step 5: Solve for x
    x = 152,768,621,944,842.56/13,772,275.40
  6. Step 6: Final answer
    x = 11,092,475.10

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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.