Home / 30,621,011.47-42,228,611.27-22,347,969.55

Finding the Fourth Proportional to 30,621,011.47, 42,228,611.27 and 22,347,969.55

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Solution

The fourth proportional to 30,621,011.47, 42,228,611.27 and 22,347,969.55 is: 30,819,482.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621,011.47 : 42,228,611.27 = 22,347,969.55 : x
  2. Step 2: Convert to fraction form
    30,621,011.47/42,228,611.27 = 22,347,969.55/x
  3. Step 3: Cross multiply
    30,621,011.47x = 42,228,611.27 × 22,347,969.55
  4. Step 4: Simplify right side
    30,621,011.47x = 943,723,718,800,746.88
  5. Step 5: Solve for x
    x = 943,723,718,800,746.88/30,621,011.47
  6. Step 6: Final answer
    x = 30,819,482.23

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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.