Home / 13,284,811.90-18,333,224.95-7,404,283.45

Finding the Fourth Proportional to 13,284,811.90, 18,333,224.95 and 7,404,283.45

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Solution

The fourth proportional to 13,284,811.90, 18,333,224.95 and 7,404,283.45 is: 10,218,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284,811.90 : 18,333,224.95 = 7,404,283.45 : x
  2. Step 2: Convert to fraction form
    13,284,811.90/18,333,224.95 = 7,404,283.45/x
  3. Step 3: Cross multiply
    13,284,811.90x = 18,333,224.95 × 7,404,283.45
  4. Step 4: Simplify right side
    13,284,811.90x = 135,744,394,077,405.92
  5. Step 5: Solve for x
    x = 135,744,394,077,405.92/13,284,811.90
  6. Step 6: Final answer
    x = 10,218,014.01

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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.