Home / 13,197,125.70-19,795,688.55-12,984,549.30

Finding the Fourth Proportional to 13,197,125.70, 19,795,688.55 and 12,984,549.30

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Solution

The fourth proportional to 13,197,125.70, 19,795,688.55 and 12,984,549.30 is: 19,476,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197,125.70 : 19,795,688.55 = 12,984,549.30 : x
  2. Step 2: Convert to fraction form
    13,197,125.70/19,795,688.55 = 12,984,549.30/x
  3. Step 3: Cross multiply
    13,197,125.70x = 19,795,688.55 × 12,984,549.30
  4. Step 4: Simplify right side
    13,197,125.70x = 257,038,093,904,920.53
  5. Step 5: Solve for x
    x = 257,038,093,904,920.53/13,197,125.70
  6. Step 6: Final answer
    x = 19,476,823.95

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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.