Home / 7,884,542.40-11,831,479.20-5,196,638.40

Finding the Fourth Proportional to 7,884,542.40, 11,831,479.20 and 5,196,638.40

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Solution

The fourth proportional to 7,884,542.40, 11,831,479.20 and 5,196,638.40 is: 7,798,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,542.40 : 11,831,479.20 = 5,196,638.40 : x
  2. Step 2: Convert to fraction form
    7,884,542.40/11,831,479.20 = 5,196,638.40/x
  3. Step 3: Cross multiply
    7,884,542.40x = 11,831,479.20 × 5,196,638.40
  4. Step 4: Simplify right side
    7,884,542.40x = 61,483,919,139,521.28
  5. Step 5: Solve for x
    x = 61,483,919,139,521.28/7,884,542.40
  6. Step 6: Final answer
    x = 7,798,032.66

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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.