Home / 15,381,036.45-23,071,554.68-12,880,274.85

Finding the Fourth Proportional to 15,381,036.45, 23,071,554.68 and 12,880,274.85

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Solution

The fourth proportional to 15,381,036.45, 23,071,554.68 and 12,880,274.85 is: 19,320,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381,036.45 : 23,071,554.68 = 12,880,274.85 : x
  2. Step 2: Convert to fraction form
    15,381,036.45/23,071,554.68 = 12,880,274.85/x
  3. Step 3: Cross multiply
    15,381,036.45x = 23,071,554.68 × 12,880,274.85
  4. Step 4: Simplify right side
    15,381,036.45x = 297,167,965,430,802.44
  5. Step 5: Solve for x
    x = 297,167,965,430,802.44/15,381,036.45
  6. Step 6: Final answer
    x = 19,320,412.28

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1.5x scale

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.