Home / 20,730,021.80-31,095,032.70-6,546,597.80

Finding the Fourth Proportional to 20,730,021.80, 31,095,032.70 and 6,546,597.80

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Solution

The fourth proportional to 20,730,021.80, 31,095,032.70 and 6,546,597.80 is: 9,819,896.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,730,021.80 : 31,095,032.70 = 6,546,597.80 : x
  2. Step 2: Convert to fraction form
    20,730,021.80/31,095,032.70 = 6,546,597.80/x
  3. Step 3: Cross multiply
    20,730,021.80x = 31,095,032.70 × 6,546,597.80
  4. Step 4: Simplify right side
    20,730,021.80x = 203,566,672,664,748.06
  5. Step 5: Solve for x
    x = 203,566,672,664,748.06/20,730,021.80
  6. Step 6: Final answer
    x = 9,819,896.70

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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.