Home / 20,385,386.52-30,578,071.26-7,432,507.24

Finding the Fourth Proportional to 20,385,386.52, 30,578,071.26 and 7,432,507.24

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Solution

The fourth proportional to 20,385,386.52, 30,578,071.26 and 7,432,507.24 is: 11,148,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385,386.52 : 30,578,071.26 = 7,432,507.24 : x
  2. Step 2: Convert to fraction form
    20,385,386.52/30,578,071.26 = 7,432,507.24/x
  3. Step 3: Cross multiply
    20,385,386.52x = 30,578,071.26 × 7,432,507.24
  4. Step 4: Simplify right side
    20,385,386.52x = 227,271,736,025,185.94
  5. Step 5: Solve for x
    x = 227,271,736,025,185.94/20,385,386.52
  6. Step 6: Final answer
    x = 11,148,757.75

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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.