Home / 18,319,695.88-25,280,193.54-10,170,409

Finding the Fourth Proportional to 18,319,695.88, 25,280,193.54 and 10,170,409

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Solution

The fourth proportional to 18,319,695.88, 25,280,193.54 and 10,170,409 is: 14,034,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319,695.88 : 25,280,193.54 = 10,170,409 : x
  2. Step 2: Convert to fraction form
    18,319,695.88/25,280,193.54 = 10,170,409/x
  3. Step 3: Cross multiply
    18,319,695.88x = 25,280,193.54 × 10,170,409
  4. Step 4: Simplify right side
    18,319,695.88x = 257,109,907,900,957.84
  5. Step 5: Solve for x
    x = 257,109,907,900,957.84/18,319,695.88
  6. Step 6: Final answer
    x = 14,034,616.60

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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.