Home / 51,958,172.32-71,702,416.80-28,754,899.36

Finding the Fourth Proportional to 51,958,172.32, 71,702,416.80 and 28,754,899.36

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Solution

The fourth proportional to 51,958,172.32, 71,702,416.80 and 28,754,899.36 is: 39,681,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,958,172.32 : 71,702,416.80 = 28,754,899.36 : x
  2. Step 2: Convert to fraction form
    51,958,172.32/71,702,416.80 = 28,754,899.36/x
  3. Step 3: Cross multiply
    51,958,172.32x = 71,702,416.80 × 28,754,899.36
  4. Step 4: Simplify right side
    51,958,172.32x = 2,061,795,778,952,773
  5. Step 5: Solve for x
    x = 2,061,795,778,952,773/51,958,172.32
  6. Step 6: Final answer
    x = 39,681,838.04

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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.