Home / 15,586,607-21,508,882.20-8,616,840.95

Finding the Fourth Proportional to 15,586,607, 21,508,882.20 and 8,616,840.95

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Solution

The fourth proportional to 15,586,607, 21,508,882.20 and 8,616,840.95 is: 11,890,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586,607 : 21,508,882.20 = 8,616,840.95 : x
  2. Step 2: Convert to fraction form
    15,586,607/21,508,882.20 = 8,616,840.95/x
  3. Step 3: Cross multiply
    15,586,607x = 21,508,882.20 × 8,616,840.95
  4. Step 4: Simplify right side
    15,586,607x = 185,338,616,929,686.06
  5. Step 5: Solve for x
    x = 185,338,616,929,686.06/15,586,607
  6. Step 6: Final answer
    x = 11,890,889.21

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1.5x scale

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.