Home / 30,267,376.20-45,401,064.30-18,150,521.40

Finding the Fourth Proportional to 30,267,376.20, 45,401,064.30 and 18,150,521.40

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Solution

The fourth proportional to 30,267,376.20, 45,401,064.30 and 18,150,521.40 is: 27,225,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,267,376.20 : 45,401,064.30 = 18,150,521.40 : x
  2. Step 2: Convert to fraction form
    30,267,376.20/45,401,064.30 = 18,150,521.40/x
  3. Step 3: Cross multiply
    30,267,376.20x = 45,401,064.30 × 18,150,521.40
  4. Step 4: Simplify right side
    30,267,376.20x = 824,052,989,159,925.88
  5. Step 5: Solve for x
    x = 824,052,989,159,925.88/30,267,376.20
  6. Step 6: Final answer
    x = 27,225,782.10

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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.