Home / 13,558,159.68-18,705,708.23-7,676,990.25

Finding the Fourth Proportional to 13,558,159.68, 18,705,708.23 and 7,676,990.25

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Solution

The fourth proportional to 13,558,159.68, 18,705,708.23 and 7,676,990.25 is: 10,591,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,159.68 : 18,705,708.23 = 7,676,990.25 : x
  2. Step 2: Convert to fraction form
    13,558,159.68/18,705,708.23 = 7,676,990.25/x
  3. Step 3: Cross multiply
    13,558,159.68x = 18,705,708.23 × 7,676,990.25
  4. Step 4: Simplify right side
    13,558,159.68x = 143,603,539,662,669.81
  5. Step 5: Solve for x
    x = 143,603,539,662,669.81/13,558,159.68
  6. Step 6: Final answer
    x = 10,591,669.01

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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.