Home / 12,631,212.36-18,938,672.43-4,955,632.93

Finding the Fourth Proportional to 12,631,212.36, 18,938,672.43 and 4,955,632.93

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Solution

The fourth proportional to 12,631,212.36, 18,938,672.43 and 4,955,632.93 is: 7,430,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631,212.36 : 18,938,672.43 = 4,955,632.93 : x
  2. Step 2: Convert to fraction form
    12,631,212.36/18,938,672.43 = 4,955,632.93/x
  3. Step 3: Cross multiply
    12,631,212.36x = 18,938,672.43 × 4,955,632.93
  4. Step 4: Simplify right side
    12,631,212.36x = 93,853,108,744,591.11
  5. Step 5: Solve for x
    x = 93,853,108,744,591.11/12,631,212.36
  6. Step 6: Final answer
    x = 7,430,253.41

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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.