Home / 7,884,057.30-11,803,967.55-7,662,873.30

Finding the Fourth Proportional to 7,884,057.30, 11,803,967.55 and 7,662,873.30

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Solution

The fourth proportional to 7,884,057.30, 11,803,967.55 and 7,662,873.30 is: 11,472,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,057.30 : 11,803,967.55 = 7,662,873.30 : x
  2. Step 2: Convert to fraction form
    7,884,057.30/11,803,967.55 = 7,662,873.30/x
  3. Step 3: Cross multiply
    7,884,057.30x = 11,803,967.55 × 7,662,873.30
  4. Step 4: Simplify right side
    7,884,057.30x = 90,452,307,772,961.42
  5. Step 5: Solve for x
    x = 90,452,307,772,961.42/7,884,057.30
  6. Step 6: Final answer
    x = 11,472,812.07

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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.