Home / 20,364,789.60-30,582,613.80-10,798,851.60

Finding the Fourth Proportional to 20,364,789.60, 30,582,613.80 and 10,798,851.60

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Solution

The fourth proportional to 20,364,789.60, 30,582,613.80 and 10,798,851.60 is: 16,217,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364,789.60 : 30,582,613.80 = 10,798,851.60 : x
  2. Step 2: Convert to fraction form
    20,364,789.60/30,582,613.80 = 10,798,851.60/x
  3. Step 3: Cross multiply
    20,364,789.60x = 30,582,613.80 × 10,798,851.60
  4. Step 4: Simplify right side
    20,364,789.60x = 330,257,107,966,312.06
  5. Step 5: Solve for x
    x = 330,257,107,966,312.06/20,364,789.60
  6. Step 6: Final answer
    x = 16,217,064.57

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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.