Home / 20,841,040.08-31,264,588.80-6,465,253.68

Finding the Fourth Proportional to 20,841,040.08, 31,264,588.80 and 6,465,253.68

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Solution

The fourth proportional to 20,841,040.08, 31,264,588.80 and 6,465,253.68 is: 9,698,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,841,040.08 : 31,264,588.80 = 6,465,253.68 : x
  2. Step 2: Convert to fraction form
    20,841,040.08/31,264,588.80 = 6,465,253.68/x
  3. Step 3: Cross multiply
    20,841,040.08x = 31,264,588.80 × 6,465,253.68
  4. Step 4: Simplify right side
    20,841,040.08x = 202,133,497,792,886.78
  5. Step 5: Solve for x
    x = 202,133,497,792,886.78/20,841,040.08
  6. Step 6: Final answer
    x = 9,698,820.07

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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.