Home / 8,210,764.80-12,316,147.20-8,000,812.80

Finding the Fourth Proportional to 8,210,764.80, 12,316,147.20 and 8,000,812.80

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Solution

The fourth proportional to 8,210,764.80, 12,316,147.20 and 8,000,812.80 is: 12,001,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210,764.80 : 12,316,147.20 = 8,000,812.80 : x
  2. Step 2: Convert to fraction form
    8,210,764.80/12,316,147.20 = 8,000,812.80/x
  3. Step 3: Cross multiply
    8,210,764.80x = 12,316,147.20 × 8,000,812.80
  4. Step 4: Simplify right side
    8,210,764.80x = 98,539,188,164,444.16
  5. Step 5: Solve for x
    x = 98,539,188,164,444.16/8,210,764.80
  6. Step 6: Final answer
    x = 12,001,219.20

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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.