Home / 30,498,065.20-45,782,527.20-18,381,210.40

Finding the Fourth Proportional to 30,498,065.20, 45,782,527.20 and 18,381,210.40

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Solution

The fourth proportional to 30,498,065.20, 45,782,527.20 and 18,381,210.40 is: 27,593,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,498,065.20 : 45,782,527.20 = 18,381,210.40 : x
  2. Step 2: Convert to fraction form
    30,498,065.20/45,782,527.20 = 18,381,210.40/x
  3. Step 3: Cross multiply
    30,498,065.20x = 45,782,527.20 × 18,381,210.40
  4. Step 4: Simplify right side
    30,498,065.20x = 841,538,265,106,922.88
  5. Step 5: Solve for x
    x = 841,538,265,106,922.88/30,498,065.20
  6. Step 6: Final answer
    x = 27,593,168.93

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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.