Home / 30,456,073.20-45,684,109.80-10,259,209.20

Finding the Fourth Proportional to 30,456,073.20, 45,684,109.80 and 10,259,209.20

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Solution

The fourth proportional to 30,456,073.20, 45,684,109.80 and 10,259,209.20 is: 15,388,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,456,073.20 : 45,684,109.80 = 10,259,209.20 : x
  2. Step 2: Convert to fraction form
    30,456,073.20/45,684,109.80 = 10,259,209.20/x
  3. Step 3: Cross multiply
    30,456,073.20x = 45,684,109.80 × 10,259,209.20
  4. Step 4: Simplify right side
    30,456,073.20x = 468,682,839,553,970.12
  5. Step 5: Solve for x
    x = 468,682,839,553,970.12/30,456,073.20
  6. Step 6: Final answer
    x = 15,388,813.80

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1.5x scale

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.