Home / 7,884,536.40-11,831,470.20-5,196,632.40

Finding the Fourth Proportional to 7,884,536.40, 11,831,470.20 and 5,196,632.40

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Solution

The fourth proportional to 7,884,536.40, 11,831,470.20 and 5,196,632.40 is: 7,798,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,536.40 : 11,831,470.20 = 5,196,632.40 : x
  2. Step 2: Convert to fraction form
    7,884,536.40/11,831,470.20 = 5,196,632.40/x
  3. Step 3: Cross multiply
    7,884,536.40x = 11,831,470.20 × 5,196,632.40
  4. Step 4: Simplify right side
    7,884,536.40x = 61,483,801,380,954.48
  5. Step 5: Solve for x
    x = 61,483,801,380,954.48/7,884,536.40
  6. Step 6: Final answer
    x = 7,798,023.66

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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.