Home / 20,736,101.60-31,104,152.40-8,768,837.60

Finding the Fourth Proportional to 20,736,101.60, 31,104,152.40 and 8,768,837.60

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Solution

The fourth proportional to 20,736,101.60, 31,104,152.40 and 8,768,837.60 is: 13,153,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,101.60 : 31,104,152.40 = 8,768,837.60 : x
  2. Step 2: Convert to fraction form
    20,736,101.60/31,104,152.40 = 8,768,837.60/x
  3. Step 3: Cross multiply
    20,736,101.60x = 31,104,152.40 × 8,768,837.60
  4. Step 4: Simplify right side
    20,736,101.60x = 272,747,261,081,250.22
  5. Step 5: Solve for x
    x = 272,747,261,081,250.22/20,736,101.60
  6. Step 6: Final answer
    x = 13,153,256.40

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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.