Home / 25,758,401.60-38,637,602.40-16,800,449.60

Finding the Fourth Proportional to 25,758,401.60, 38,637,602.40 and 16,800,449.60

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Solution

The fourth proportional to 25,758,401.60, 38,637,602.40 and 16,800,449.60 is: 25,200,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758,401.60 : 38,637,602.40 = 16,800,449.60 : x
  2. Step 2: Convert to fraction form
    25,758,401.60/38,637,602.40 = 16,800,449.60/x
  3. Step 3: Cross multiply
    25,758,401.60x = 38,637,602.40 × 16,800,449.60
  4. Step 4: Simplify right side
    25,758,401.60x = 649,129,091,786,039.12
  5. Step 5: Solve for x
    x = 649,129,091,786,039.12/25,758,401.60
  6. Step 6: Final answer
    x = 25,200,674.40

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Similar ratio
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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.