Home / 12,884,307.64-19,312,289.34-5,307,139.96

Finding the Fourth Proportional to 12,884,307.64, 19,312,289.34 and 5,307,139.96

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Solution

The fourth proportional to 12,884,307.64, 19,312,289.34 and 5,307,139.96 is: 7,954,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,307.64 : 19,312,289.34 = 5,307,139.96 : x
  2. Step 2: Convert to fraction form
    12,884,307.64/19,312,289.34 = 5,307,139.96/x
  3. Step 3: Cross multiply
    12,884,307.64x = 19,312,289.34 × 5,307,139.96
  4. Step 4: Simplify right side
    12,884,307.64x = 102,493,022,475,396.03
  5. Step 5: Solve for x
    x = 102,493,022,475,396.03/12,884,307.64
  6. Step 6: Final answer
    x = 7,954,872.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.