Home / 10,022,511.34-13,831,102.02-5,438,831.50

Finding the Fourth Proportional to 10,022,511.34, 13,831,102.02 and 5,438,831.50

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Solution

The fourth proportional to 10,022,511.34, 13,831,102.02 and 5,438,831.50 is: 7,505,607.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,511.34 : 13,831,102.02 = 5,438,831.50 : x
  2. Step 2: Convert to fraction form
    10,022,511.34/13,831,102.02 = 5,438,831.50/x
  3. Step 3: Cross multiply
    10,022,511.34x = 13,831,102.02 × 5,438,831.50
  4. Step 4: Simplify right side
    10,022,511.34x = 75,225,033,346,089.62
  5. Step 5: Solve for x
    x = 75,225,033,346,089.62/10,022,511.34
  6. Step 6: Final answer
    x = 7,505,607.21

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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.