Home / 25,376,999.80-38,065,499.70-8,338,228.60

Finding the Fourth Proportional to 25,376,999.80, 38,065,499.70 and 8,338,228.60

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Solution

The fourth proportional to 25,376,999.80, 38,065,499.70 and 8,338,228.60 is: 12,507,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,376,999.80 : 38,065,499.70 = 8,338,228.60 : x
  2. Step 2: Convert to fraction form
    25,376,999.80/38,065,499.70 = 8,338,228.60/x
  3. Step 3: Cross multiply
    25,376,999.80x = 38,065,499.70 × 8,338,228.60
  4. Step 4: Simplify right side
    25,376,999.80x = 317,398,838,271,831.44
  5. Step 5: Solve for x
    x = 317,398,838,271,831.44/25,376,999.80
  6. Step 6: Final answer
    x = 12,507,342.90

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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.