Home / 18,478,260.94-25,501,577.07-10,742,812.78

Finding the Fourth Proportional to 18,478,260.94, 25,501,577.07 and 10,742,812.78

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Solution

The fourth proportional to 18,478,260.94, 25,501,577.07 and 10,742,812.78 is: 14,825,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,478,260.94 : 25,501,577.07 = 10,742,812.78 : x
  2. Step 2: Convert to fraction form
    18,478,260.94/25,501,577.07 = 10,742,812.78/x
  3. Step 3: Cross multiply
    18,478,260.94x = 25,501,577.07 × 10,742,812.78
  4. Step 4: Simplify right side
    18,478,260.94x = 273,958,668,057,750.94
  5. Step 5: Solve for x
    x = 273,958,668,057,750.94/18,478,260.94
  6. Step 6: Final answer
    x = 14,825,998.45

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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.