Home / 14,687,532.36-20,267,813.52-8,492,111.28

Finding the Fourth Proportional to 14,687,532.36, 20,267,813.52 and 8,492,111.28

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Solution

The fourth proportional to 14,687,532.36, 20,267,813.52 and 8,492,111.28 is: 11,718,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,532.36 : 20,267,813.52 = 8,492,111.28 : x
  2. Step 2: Convert to fraction form
    14,687,532.36/20,267,813.52 = 8,492,111.28/x
  3. Step 3: Cross multiply
    14,687,532.36x = 20,267,813.52 × 8,492,111.28
  4. Step 4: Simplify right side
    14,687,532.36x = 172,116,527,814,128.50
  5. Step 5: Solve for x
    x = 172,116,527,814,128.50/14,687,532.36
  6. Step 6: Final answer
    x = 11,718,546.29

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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.