Home / 20,432,573.69-30,656,333.93-9,507,973.56

Finding the Fourth Proportional to 20,432,573.69, 30,656,333.93 and 9,507,973.56

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Solution

The fourth proportional to 20,432,573.69, 30,656,333.93 and 9,507,973.56 is: 14,265,437.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432,573.69 : 30,656,333.93 = 9,507,973.56 : x
  2. Step 2: Convert to fraction form
    20,432,573.69/30,656,333.93 = 9,507,973.56/x
  3. Step 3: Cross multiply
    20,432,573.69x = 30,656,333.93 × 9,507,973.56
  4. Step 4: Simplify right side
    20,432,573.69x = 291,479,612,544,162.19
  5. Step 5: Solve for x
    x = 291,479,612,544,162.19/20,432,573.69
  6. Step 6: Final answer
    x = 14,265,437.97

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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.