Home / 25,181,569.80-37,772,354.70-12,399,429.60

Finding the Fourth Proportional to 25,181,569.80, 37,772,354.70 and 12,399,429.60

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Solution

The fourth proportional to 25,181,569.80, 37,772,354.70 and 12,399,429.60 is: 18,599,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,181,569.80 : 37,772,354.70 = 12,399,429.60 : x
  2. Step 2: Convert to fraction form
    25,181,569.80/37,772,354.70 = 12,399,429.60/x
  3. Step 3: Cross multiply
    25,181,569.80x = 37,772,354.70 × 12,399,429.60
  4. Step 4: Simplify right side
    25,181,569.80x = 468,355,652,928,879.12
  5. Step 5: Solve for x
    x = 468,355,652,928,879.12/25,181,569.80
  6. Step 6: Final answer
    x = 18,599,144.40

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1.5x scale

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.