Home / 10,378,985.65-14,322,914.63-5,669,385.01

Finding the Fourth Proportional to 10,378,985.65, 14,322,914.63 and 5,669,385.01

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Solution

The fourth proportional to 10,378,985.65, 14,322,914.63 and 5,669,385.01 is: 7,823,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,985.65 : 14,322,914.63 = 5,669,385.01 : x
  2. Step 2: Convert to fraction form
    10,378,985.65/14,322,914.63 = 5,669,385.01/x
  3. Step 3: Cross multiply
    10,378,985.65x = 14,322,914.63 × 5,669,385.01
  4. Step 4: Simplify right side
    10,378,985.65x = 81,202,117,474,484.77
  5. Step 5: Solve for x
    x = 81,202,117,474,484.77/10,378,985.65
  6. Step 6: Final answer
    x = 7,823,704.57

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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.