Home / 18,356,384.10-25,331,823.05-10,097,074.76

Finding the Fourth Proportional to 18,356,384.10, 25,331,823.05 and 10,097,074.76

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Solution

The fourth proportional to 18,356,384.10, 25,331,823.05 and 10,097,074.76 is: 13,933,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356,384.10 : 25,331,823.05 = 10,097,074.76 : x
  2. Step 2: Convert to fraction form
    18,356,384.10/25,331,823.05 = 10,097,074.76/x
  3. Step 3: Cross multiply
    18,356,384.10x = 25,331,823.05 × 10,097,074.76
  4. Step 4: Simplify right side
    18,356,384.10x = 255,777,311,142,941.22
  5. Step 5: Solve for x
    x = 255,777,311,142,941.22/18,356,384.10
  6. Step 6: Final answer
    x = 13,933,970.32

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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.