Home / 30,111,882.88-45,142,433.28-13,059,712.64

Finding the Fourth Proportional to 30,111,882.88, 45,142,433.28 and 13,059,712.64

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Solution

The fourth proportional to 30,111,882.88, 45,142,433.28 and 13,059,712.64 is: 19,578,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111,882.88 : 45,142,433.28 = 13,059,712.64 : x
  2. Step 2: Convert to fraction form
    30,111,882.88/45,142,433.28 = 13,059,712.64/x
  3. Step 3: Cross multiply
    30,111,882.88x = 45,142,433.28 × 13,059,712.64
  4. Step 4: Simplify right side
    30,111,882.88x = 589,547,206,507,172.75
  5. Step 5: Solve for x
    x = 589,547,206,507,172.75/30,111,882.88
  6. Step 6: Final answer
    x = 19,578,556.71

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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.