Home / 8,066,150.60-12,099,225.90-7,428,421.40

Finding the Fourth Proportional to 8,066,150.60, 12,099,225.90 and 7,428,421.40

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Solution

The fourth proportional to 8,066,150.60, 12,099,225.90 and 7,428,421.40 is: 11,142,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066,150.60 : 12,099,225.90 = 7,428,421.40 : x
  2. Step 2: Convert to fraction form
    8,066,150.60/12,099,225.90 = 7,428,421.40/x
  3. Step 3: Cross multiply
    8,066,150.60x = 12,099,225.90 × 7,428,421.40
  4. Step 4: Simplify right side
    8,066,150.60x = 89,878,148,598,994.27
  5. Step 5: Solve for x
    x = 89,878,148,598,994.27/8,066,150.60
  6. Step 6: Final answer
    x = 11,142,632.10

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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.