Home / 18,521,908.32-25,559,901.90-10,261,804.80

Finding the Fourth Proportional to 18,521,908.32, 25,559,901.90 and 10,261,804.80

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Solution

The fourth proportional to 18,521,908.32, 25,559,901.90 and 10,261,804.80 is: 14,161,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521,908.32 : 25,559,901.90 = 10,261,804.80 : x
  2. Step 2: Convert to fraction form
    18,521,908.32/25,559,901.90 = 10,261,804.80/x
  3. Step 3: Cross multiply
    18,521,908.32x = 25,559,901.90 × 10,261,804.80
  4. Step 4: Simplify right side
    18,521,908.32x = 262,290,724,004,949.12
  5. Step 5: Solve for x
    x = 262,290,724,004,949.12/18,521,908.32
  6. Step 6: Final answer
    x = 14,161,106.92

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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.