Home / 25,495,124.78-38,242,639.77-7,989,022.46

Finding the Fourth Proportional to 25,495,124.78, 38,242,639.77 and 7,989,022.46

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Solution

The fourth proportional to 25,495,124.78, 38,242,639.77 and 7,989,022.46 is: 11,983,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,495,124.78 : 38,242,639.77 = 7,989,022.46 : x
  2. Step 2: Convert to fraction form
    25,495,124.78/38,242,639.77 = 7,989,022.46/x
  3. Step 3: Cross multiply
    25,495,124.78x = 38,242,639.77 × 7,989,022.46
  4. Step 4: Simplify right side
    25,495,124.78x = 305,521,308,052,219.25
  5. Step 5: Solve for x
    x = 305,521,308,052,219.25/25,495,124.78
  6. Step 6: Final answer
    x = 11,983,518.84

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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.