Home / 18,152,121.60-27,195,004.80-14,768,006.40

Finding the Fourth Proportional to 18,152,121.60, 27,195,004.80 and 14,768,006.40

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Solution

The fourth proportional to 18,152,121.60, 27,195,004.80 and 14,768,006.40 is: 22,125,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,121.60 : 27,195,004.80 = 14,768,006.40 : x
  2. Step 2: Convert to fraction form
    18,152,121.60/27,195,004.80 = 14,768,006.40/x
  3. Step 3: Cross multiply
    18,152,121.60x = 27,195,004.80 × 14,768,006.40
  4. Step 4: Simplify right side
    18,152,121.60x = 401,616,004,934,430.75
  5. Step 5: Solve for x
    x = 401,616,004,934,430.75/18,152,121.60
  6. Step 6: Final answer
    x = 22,125,017.33

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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.