Home / 27,298,775.16-37,655,007.66-20,758,065.48

Finding the Fourth Proportional to 27,298,775.16, 37,655,007.66 and 20,758,065.48

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Solution

The fourth proportional to 27,298,775.16, 37,655,007.66 and 20,758,065.48 is: 28,632,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,298,775.16 : 37,655,007.66 = 20,758,065.48 : x
  2. Step 2: Convert to fraction form
    27,298,775.16/37,655,007.66 = 20,758,065.48/x
  3. Step 3: Cross multiply
    27,298,775.16x = 37,655,007.66 × 20,758,065.48
  4. Step 4: Simplify right side
    27,298,775.16x = 781,645,114,656,181.50
  5. Step 5: Solve for x
    x = 781,645,114,656,181.50/27,298,775.16
  6. Step 6: Final answer
    x = 28,632,973.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.