Home / 47,829,643.20-71,744,464.80-13,285,978.20

Finding the Fourth Proportional to 47,829,643.20, 71,744,464.80 and 13,285,978.20

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Solution

The fourth proportional to 47,829,643.20, 71,744,464.80 and 13,285,978.20 is: 19,928,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,829,643.20 : 71,744,464.80 = 13,285,978.20 : x
  2. Step 2: Convert to fraction form
    47,829,643.20/71,744,464.80 = 13,285,978.20/x
  3. Step 3: Cross multiply
    47,829,643.20x = 71,744,464.80 × 13,285,978.20
  4. Step 4: Simplify right side
    47,829,643.20x = 953,195,395,303,467.25
  5. Step 5: Solve for x
    x = 953,195,395,303,467.25/47,829,643.20
  6. Step 6: Final answer
    x = 19,928,967.30

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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.