Home / 20,370,979.31-30,556,477.19-5,018,567.63

Finding the Fourth Proportional to 20,370,979.31, 30,556,477.19 and 5,018,567.63

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Solution

The fourth proportional to 20,370,979.31, 30,556,477.19 and 5,018,567.63 is: 7,527,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370,979.31 : 30,556,477.19 = 5,018,567.63 : x
  2. Step 2: Convert to fraction form
    20,370,979.31/30,556,477.19 = 5,018,567.63/x
  3. Step 3: Cross multiply
    20,370,979.31x = 30,556,477.19 × 5,018,567.63
  4. Step 4: Simplify right side
    20,370,979.31x = 153,349,747,172,331.38
  5. Step 5: Solve for x
    x = 153,349,747,172,331.38/20,370,979.31
  6. Step 6: Final answer
    x = 7,527,853.47

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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.