Home / 25,559,880.35-38,339,543.70-20,418,188.67

Finding the Fourth Proportional to 25,559,880.35, 38,339,543.70 and 20,418,188.67

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Solution

The fourth proportional to 25,559,880.35, 38,339,543.70 and 20,418,188.67 is: 30,627,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559,880.35 : 38,339,543.70 = 20,418,188.67 : x
  2. Step 2: Convert to fraction form
    25,559,880.35/38,339,543.70 = 20,418,188.67/x
  3. Step 3: Cross multiply
    25,559,880.35x = 38,339,543.70 × 20,418,188.67
  4. Step 4: Simplify right side
    25,559,880.35x = 782,824,036,788,310
  5. Step 5: Solve for x
    x = 782,824,036,788,310/25,559,880.35
  6. Step 6: Final answer
    x = 30,627,061.87

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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.