Home / 30,209,420.80-45,314,131.20-10,014,662.80

Finding the Fourth Proportional to 30,209,420.80, 45,314,131.20 and 10,014,662.80

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Solution

The fourth proportional to 30,209,420.80, 45,314,131.20 and 10,014,662.80 is: 15,021,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209,420.80 : 45,314,131.20 = 10,014,662.80 : x
  2. Step 2: Convert to fraction form
    30,209,420.80/45,314,131.20 = 10,014,662.80/x
  3. Step 3: Cross multiply
    30,209,420.80x = 45,314,131.20 × 10,014,662.80
  4. Step 4: Simplify right side
    30,209,420.80x = 453,805,744,042,959.44
  5. Step 5: Solve for x
    x = 453,805,744,042,959.44/30,209,420.80
  6. Step 6: Final answer
    x = 15,021,994.20

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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.