Home / 28,309,847.34-42,464,344.26-12,736,678.04

Finding the Fourth Proportional to 28,309,847.34, 42,464,344.26 and 12,736,678.04

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Solution

The fourth proportional to 28,309,847.34, 42,464,344.26 and 12,736,678.04 is: 19,104,825.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309,847.34 : 42,464,344.26 = 12,736,678.04 : x
  2. Step 2: Convert to fraction form
    28,309,847.34/42,464,344.26 = 12,736,678.04/x
  3. Step 3: Cross multiply
    28,309,847.34x = 42,464,344.26 × 12,736,678.04
  4. Step 4: Simplify right side
    28,309,847.34x = 540,854,681,019,342
  5. Step 5: Solve for x
    x = 540,854,681,019,342/28,309,847.34
  6. Step 6: Final answer
    x = 19,104,825.06

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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.