Home / 20,736,009.80-31,104,014.70-6,552,585.80

Finding the Fourth Proportional to 20,736,009.80, 31,104,014.70 and 6,552,585.80

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Solution

The fourth proportional to 20,736,009.80, 31,104,014.70 and 6,552,585.80 is: 9,828,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,009.80 : 31,104,014.70 = 6,552,585.80 : x
  2. Step 2: Convert to fraction form
    20,736,009.80/31,104,014.70 = 6,552,585.80/x
  3. Step 3: Cross multiply
    20,736,009.80x = 31,104,014.70 × 6,552,585.80
  4. Step 4: Simplify right side
    20,736,009.80x = 203,811,725,046,211.25
  5. Step 5: Solve for x
    x = 203,811,725,046,211.25/20,736,009.80
  6. Step 6: Final answer
    x = 9,828,878.70

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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.