Home / 30,456,075.20-45,684,112.80-10,259,211.20

Finding the Fourth Proportional to 30,456,075.20, 45,684,112.80 and 10,259,211.20

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Solution

The fourth proportional to 30,456,075.20, 45,684,112.80 and 10,259,211.20 is: 15,388,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,456,075.20 : 45,684,112.80 = 10,259,211.20 : x
  2. Step 2: Convert to fraction form
    30,456,075.20/45,684,112.80 = 10,259,211.20/x
  3. Step 3: Cross multiply
    30,456,075.20x = 45,684,112.80 × 10,259,211.20
  4. Step 4: Simplify right side
    30,456,075.20x = 468,682,961,699,823.31
  5. Step 5: Solve for x
    x = 468,682,961,699,823.31/30,456,075.20
  6. Step 6: Final answer
    x = 15,388,816.80

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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.