Home / 14,025,981.26-19,355,040.88-7,831,420.18

Finding the Fourth Proportional to 14,025,981.26, 19,355,040.88 and 7,831,420.18

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Solution

The fourth proportional to 14,025,981.26, 19,355,040.88 and 7,831,420.18 is: 10,806,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025,981.26 : 19,355,040.88 = 7,831,420.18 : x
  2. Step 2: Convert to fraction form
    14,025,981.26/19,355,040.88 = 7,831,420.18/x
  3. Step 3: Cross multiply
    14,025,981.26x = 19,355,040.88 × 7,831,420.18
  4. Step 4: Simplify right side
    14,025,981.26x = 151,577,457,732,356.94
  5. Step 5: Solve for x
    x = 151,577,457,732,356.94/14,025,981.26
  6. Step 6: Final answer
    x = 10,806,905.76

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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.