Home / 21,366,463.51-29,485,678.08-11,577,172.60

Finding the Fourth Proportional to 21,366,463.51, 29,485,678.08 and 11,577,172.60

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Solution

The fourth proportional to 21,366,463.51, 29,485,678.08 and 11,577,172.60 is: 15,976,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366,463.51 : 29,485,678.08 = 11,577,172.60 : x
  2. Step 2: Convert to fraction form
    21,366,463.51/29,485,678.08 = 11,577,172.60/x
  3. Step 3: Cross multiply
    21,366,463.51x = 29,485,678.08 × 11,577,172.60
  4. Step 4: Simplify right side
    21,366,463.51x = 341,360,784,360,196.56
  5. Step 5: Solve for x
    x = 341,360,784,360,196.56/21,366,463.51
  6. Step 6: Final answer
    x = 15,976,475.67

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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.