Home / 30,353,418.94-45,507,689.76-15,759,384.79

Finding the Fourth Proportional to 30,353,418.94, 45,507,689.76 and 15,759,384.79

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Solution

The fourth proportional to 30,353,418.94, 45,507,689.76 and 15,759,384.79 is: 23,627,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353,418.94 : 45,507,689.76 = 15,759,384.79 : x
  2. Step 2: Convert to fraction form
    30,353,418.94/45,507,689.76 = 15,759,384.79/x
  3. Step 3: Cross multiply
    30,353,418.94x = 45,507,689.76 × 15,759,384.79
  4. Step 4: Simplify right side
    30,353,418.94x = 717,173,193,757,412
  5. Step 5: Solve for x
    x = 717,173,193,757,412/30,353,418.94
  6. Step 6: Final answer
    x = 23,627,427.12

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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.