Home / 20,865,718.40-31,298,577.60-9,528,310.40

Finding the Fourth Proportional to 20,865,718.40, 31,298,577.60 and 9,528,310.40

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Solution

The fourth proportional to 20,865,718.40, 31,298,577.60 and 9,528,310.40 is: 14,292,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,865,718.40 : 31,298,577.60 = 9,528,310.40 : x
  2. Step 2: Convert to fraction form
    20,865,718.40/31,298,577.60 = 9,528,310.40/x
  3. Step 3: Cross multiply
    20,865,718.40x = 31,298,577.60 × 9,528,310.40
  4. Step 4: Simplify right side
    20,865,718.40x = 298,222,562,451,287.06
  5. Step 5: Solve for x
    x = 298,222,562,451,287.06/20,865,718.40
  6. Step 6: Final answer
    x = 14,292,465.60

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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.