Home / 30,271,112.80-45,406,669.20-16,666,223.20

Finding the Fourth Proportional to 30,271,112.80, 45,406,669.20 and 16,666,223.20

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Solution

The fourth proportional to 30,271,112.80, 45,406,669.20 and 16,666,223.20 is: 24,999,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271,112.80 : 45,406,669.20 = 16,666,223.20 : x
  2. Step 2: Convert to fraction form
    30,271,112.80/45,406,669.20 = 16,666,223.20/x
  3. Step 3: Cross multiply
    30,271,112.80x = 45,406,669.20 × 16,666,223.20
  4. Step 4: Simplify right side
    30,271,112.80x = 756,757,683,655,765.50
  5. Step 5: Solve for x
    x = 756,757,683,655,765.50/30,271,112.80
  6. Step 6: Final answer
    x = 24,999,334.80

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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.