Home / 20,159,393.04-30,230,681.76-6,322,786.92

Finding the Fourth Proportional to 20,159,393.04, 30,230,681.76 and 6,322,786.92

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Solution

The fourth proportional to 20,159,393.04, 30,230,681.76 and 6,322,786.92 is: 9,481,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159,393.04 : 30,230,681.76 = 6,322,786.92 : x
  2. Step 2: Convert to fraction form
    20,159,393.04/30,230,681.76 = 6,322,786.92/x
  3. Step 3: Cross multiply
    20,159,393.04x = 30,230,681.76 × 6,322,786.92
  4. Step 4: Simplify right side
    20,159,393.04x = 191,142,159,214,810.59
  5. Step 5: Solve for x
    x = 191,142,159,214,810.59/20,159,393.04
  6. Step 6: Final answer
    x = 9,481,543.36

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Double scale
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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.