Home / 7,008,014.40-10,512,021.60-6,140,212.80

Finding the Fourth Proportional to 7,008,014.40, 10,512,021.60 and 6,140,212.80

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Solution

The fourth proportional to 7,008,014.40, 10,512,021.60 and 6,140,212.80 is: 9,210,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008,014.40 : 10,512,021.60 = 6,140,212.80 : x
  2. Step 2: Convert to fraction form
    7,008,014.40/10,512,021.60 = 6,140,212.80/x
  3. Step 3: Cross multiply
    7,008,014.40x = 10,512,021.60 × 6,140,212.80
  4. Step 4: Simplify right side
    7,008,014.40x = 64,546,049,582,196.48
  5. Step 5: Solve for x
    x = 64,546,049,582,196.48/7,008,014.40
  6. Step 6: Final answer
    x = 9,210,319.20

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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.