Home / 51,527,933.80-77,291,851.02-13,189,386.76

Finding the Fourth Proportional to 51,527,933.80, 77,291,851.02 and 13,189,386.76

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Solution

The fourth proportional to 51,527,933.80, 77,291,851.02 and 13,189,386.76 is: 19,784,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,527,933.80 : 77,291,851.02 = 13,189,386.76 : x
  2. Step 2: Convert to fraction form
    51,527,933.80/77,291,851.02 = 13,189,386.76/x
  3. Step 3: Cross multiply
    51,527,933.80x = 77,291,851.02 × 13,189,386.76
  4. Step 4: Simplify right side
    51,527,933.80x = 1,019,432,116,499,080.38
  5. Step 5: Solve for x
    x = 1,019,432,116,499,080.38/51,527,933.80
  6. Step 6: Final answer
    x = 19,784,067.42

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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.