Home / 13,681,737.23-18,880,796.57-7,486,784.69

Finding the Fourth Proportional to 13,681,737.23, 18,880,796.57 and 7,486,784.69

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Solution

The fourth proportional to 13,681,737.23, 18,880,796.57 and 7,486,784.69 is: 10,331,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681,737.23 : 18,880,796.57 = 7,486,784.69 : x
  2. Step 2: Convert to fraction form
    13,681,737.23/18,880,796.57 = 7,486,784.69/x
  3. Step 3: Cross multiply
    13,681,737.23x = 18,880,796.57 × 7,486,784.69
  4. Step 4: Simplify right side
    13,681,737.23x = 141,356,458,563,442.59
  5. Step 5: Solve for x
    x = 141,356,458,563,442.59/13,681,737.23
  6. Step 6: Final answer
    x = 10,331,762.42

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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.