Home / 13,697,817.03-18,902,017.79-7,816,073.01

Finding the Fourth Proportional to 13,697,817.03, 18,902,017.79 and 7,816,073.01

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Solution

The fourth proportional to 13,697,817.03, 18,902,017.79 and 7,816,073.01 is: 10,785,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697,817.03 : 18,902,017.79 = 7,816,073.01 : x
  2. Step 2: Convert to fraction form
    13,697,817.03/18,902,017.79 = 7,816,073.01/x
  3. Step 3: Cross multiply
    13,697,817.03x = 18,902,017.79 × 7,816,073.01
  4. Step 4: Simplify right side
    13,697,817.03x = 147,739,550,949,368.41
  5. Step 5: Solve for x
    x = 147,739,550,949,368.41/13,697,817.03
  6. Step 6: Final answer
    x = 10,785,627.42

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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.