Home / 13,697,814.32-18,902,014.10-7,816,070.33

Finding the Fourth Proportional to 13,697,814.32, 18,902,014.10 and 7,816,070.33

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Solution

The fourth proportional to 13,697,814.32, 18,902,014.10 and 7,816,070.33 is: 10,785,623.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697,814.32 : 18,902,014.10 = 7,816,070.33 : x
  2. Step 2: Convert to fraction form
    13,697,814.32/18,902,014.10 = 7,816,070.33/x
  3. Step 3: Cross multiply
    13,697,814.32x = 18,902,014.10 × 7,816,070.33
  4. Step 4: Simplify right side
    13,697,814.32x = 147,739,471,450,661.22
  5. Step 5: Solve for x
    x = 147,739,471,450,661.22/13,697,814.32
  6. Step 6: Final answer
    x = 10,785,623.75

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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.