Home / 13,541,812.95-20,314,260.81-4,909,978.42

Finding the Fourth Proportional to 13,541,812.95, 20,314,260.81 and 4,909,978.42

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Solution

The fourth proportional to 13,541,812.95, 20,314,260.81 and 4,909,978.42 is: 7,365,526.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541,812.95 : 20,314,260.81 = 4,909,978.42 : x
  2. Step 2: Convert to fraction form
    13,541,812.95/20,314,260.81 = 4,909,978.42/x
  3. Step 3: Cross multiply
    13,541,812.95x = 20,314,260.81 × 4,909,978.42
  4. Step 4: Simplify right side
    13,541,812.95x = 99,742,582,123,850.88
  5. Step 5: Solve for x
    x = 99,742,582,123,850.88/13,541,812.95
  6. Step 6: Final answer
    x = 7,365,526.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.