Home / 12,756,572.55-19,143,825.54-11,536,915.45

Finding the Fourth Proportional to 12,756,572.55, 19,143,825.54 and 11,536,915.45

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Solution

The fourth proportional to 12,756,572.55, 19,143,825.54 and 11,536,915.45 is: 17,313,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,572.55 : 19,143,825.54 = 11,536,915.45 : x
  2. Step 2: Convert to fraction form
    12,756,572.55/19,143,825.54 = 11,536,915.45/x
  3. Step 3: Cross multiply
    12,756,572.55x = 19,143,825.54 × 11,536,915.45
  4. Step 4: Simplify right side
    12,756,572.55x = 220,860,696,586,846
  5. Step 5: Solve for x
    x = 220,860,696,586,846/12,756,572.55
  6. Step 6: Final answer
    x = 17,313,482.58

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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.