Home / 25,364,120.74-38,038,188.63-8,320,822.18

Finding the Fourth Proportional to 25,364,120.74, 38,038,188.63 and 8,320,822.18

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Solution

The fourth proportional to 25,364,120.74, 38,038,188.63 and 8,320,822.18 is: 12,478,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364,120.74 : 38,038,188.63 = 8,320,822.18 : x
  2. Step 2: Convert to fraction form
    25,364,120.74/38,038,188.63 = 8,320,822.18/x
  3. Step 3: Cross multiply
    25,364,120.74x = 38,038,188.63 × 8,320,822.18
  4. Step 4: Simplify right side
    25,364,120.74x = 316,509,003,639,527.81
  5. Step 5: Solve for x
    x = 316,509,003,639,527.81/25,364,120.74
  6. Step 6: Final answer
    x = 12,478,611.30

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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.