Home / 15,596,615.85-21,521,672.88-8,626,185.76

Finding the Fourth Proportional to 15,596,615.85, 21,521,672.88 and 8,626,185.76

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Solution

The fourth proportional to 15,596,615.85, 21,521,672.88 and 8,626,185.76 is: 11,903,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596,615.85 : 21,521,672.88 = 8,626,185.76 : x
  2. Step 2: Convert to fraction form
    15,596,615.85/21,521,672.88 = 8,626,185.76/x
  3. Step 3: Cross multiply
    15,596,615.85x = 21,521,672.88 × 8,626,185.76
  4. Step 4: Simplify right side
    15,596,615.85x = 185,649,948,128,834.19
  5. Step 5: Solve for x
    x = 185,649,948,128,834.19/15,596,615.85
  6. Step 6: Final answer
    x = 11,903,219.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.