Home / 18,478,260.96-25,501,577.08-10,742,812.80

Finding the Fourth Proportional to 18,478,260.96, 25,501,577.08 and 10,742,812.80

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Solution

The fourth proportional to 18,478,260.96, 25,501,577.08 and 10,742,812.80 is: 14,825,998.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478,260.96 : 25,501,577.08 = 10,742,812.80 : x
  2. Step 2: Convert to fraction form
    18,478,260.96/25,501,577.08 = 10,742,812.80/x
  3. Step 3: Cross multiply
    18,478,260.96x = 25,501,577.08 × 10,742,812.80
  4. Step 4: Simplify right side
    18,478,260.96x = 273,958,668,675,210.62
  5. Step 5: Solve for x
    x = 273,958,668,675,210.62/18,478,260.96
  6. Step 6: Final answer
    x = 14,825,998.47

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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.