Home / 13,415,283.40-18,513,065.82-7,303,697.32

Finding the Fourth Proportional to 13,415,283.40, 18,513,065.82 and 7,303,697.32

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Solution

The fourth proportional to 13,415,283.40, 18,513,065.82 and 7,303,697.32 is: 10,079,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,415,283.40 : 18,513,065.82 = 7,303,697.32 : x
  2. Step 2: Convert to fraction form
    13,415,283.40/18,513,065.82 = 7,303,697.32/x
  3. Step 3: Cross multiply
    13,415,283.40x = 18,513,065.82 × 7,303,697.32
  4. Step 4: Simplify right side
    13,415,283.40x = 135,213,829,214,517.61
  5. Step 5: Solve for x
    x = 135,213,829,214,517.61/13,415,283.40
  6. Step 6: Final answer
    x = 10,079,088.54

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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.