Home / 30,204,715.80-45,336,564.90-15,075,730.20

Finding the Fourth Proportional to 30,204,715.80, 45,336,564.90 and 15,075,730.20

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Solution

The fourth proportional to 30,204,715.80, 45,336,564.90 and 15,075,730.20 is: 22,628,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204,715.80 : 45,336,564.90 = 15,075,730.20 : x
  2. Step 2: Convert to fraction form
    30,204,715.80/45,336,564.90 = 15,075,730.20/x
  3. Step 3: Cross multiply
    30,204,715.80x = 45,336,564.90 × 15,075,730.20
  4. Step 4: Simplify right side
    30,204,715.80x = 683,481,820,627,189.88
  5. Step 5: Solve for x
    x = 683,481,820,627,189.88/30,204,715.80
  6. Step 6: Final answer
    x = 22,628,314.90

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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.