Home / 12,596,915.20-18,895,372.80-5,407,225.60

Finding the Fourth Proportional to 12,596,915.20, 18,895,372.80 and 5,407,225.60

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Solution

The fourth proportional to 12,596,915.20, 18,895,372.80 and 5,407,225.60 is: 8,110,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,915.20 : 18,895,372.80 = 5,407,225.60 : x
  2. Step 2: Convert to fraction form
    12,596,915.20/18,895,372.80 = 5,407,225.60/x
  3. Step 3: Cross multiply
    12,596,915.20x = 18,895,372.80 × 5,407,225.60
  4. Step 4: Simplify right side
    12,596,915.20x = 102,171,543,525,703.67
  5. Step 5: Solve for x
    x = 102,171,543,525,703.67/12,596,915.20
  6. Step 6: Final answer
    x = 8,110,838.40

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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.