Home / 21,999,203.52-30,358,444-12,209,079.04

Finding the Fourth Proportional to 21,999,203.52, 30,358,444 and 12,209,079.04

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Solution

The fourth proportional to 21,999,203.52, 30,358,444 and 12,209,079.04 is: 16,848,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999,203.52 : 30,358,444 = 12,209,079.04 : x
  2. Step 2: Convert to fraction form
    21,999,203.52/30,358,444 = 12,209,079.04/x
  3. Step 3: Cross multiply
    21,999,203.52x = 30,358,444 × 12,209,079.04
  4. Step 4: Simplify right side
    21,999,203.52x = 370,648,642,327,413.75
  5. Step 5: Solve for x
    x = 370,648,642,327,413.75/21,999,203.52
  6. Step 6: Final answer
    x = 16,848,275.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.