Home / 18,365,000.80-27,516,008.40-11,971,962.40

Finding the Fourth Proportional to 18,365,000.80, 27,516,008.40 and 11,971,962.40

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Solution

The fourth proportional to 18,365,000.80, 27,516,008.40 and 11,971,962.40 is: 17,937,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,000.80 : 27,516,008.40 = 11,971,962.40 : x
  2. Step 2: Convert to fraction form
    18,365,000.80/27,516,008.40 = 11,971,962.40/x
  3. Step 3: Cross multiply
    18,365,000.80x = 27,516,008.40 × 11,971,962.40
  4. Step 4: Simplify right side
    18,365,000.80x = 329,420,617,962,884.12
  5. Step 5: Solve for x
    x = 329,420,617,962,884.12/18,365,000.80
  6. Step 6: Final answer
    x = 17,937,413.76

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1.5x scale

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.