Home / 18,991,964.16-26,210,017.92-10,731,816

Finding the Fourth Proportional to 18,991,964.16, 26,210,017.92 and 10,731,816

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Solution

The fourth proportional to 18,991,964.16, 26,210,017.92 and 10,731,816 is: 14,810,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991,964.16 : 26,210,017.92 = 10,731,816 : x
  2. Step 2: Convert to fraction form
    18,991,964.16/26,210,017.92 = 10,731,816/x
  3. Step 3: Cross multiply
    18,991,964.16x = 26,210,017.92 × 10,731,816
  4. Step 4: Simplify right side
    18,991,964.16x = 281,281,089,674,142.75
  5. Step 5: Solve for x
    x = 281,281,089,674,142.75/18,991,964.16
  6. Step 6: Final answer
    x = 14,810,531.83

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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.