Home / 30,360,297.66-45,492,782.85-20,649,541.98

Finding the Fourth Proportional to 30,360,297.66, 45,492,782.85 and 20,649,541.98

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Solution

The fourth proportional to 30,360,297.66, 45,492,782.85 and 20,649,541.98 is: 30,941,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,297.66 : 45,492,782.85 = 20,649,541.98 : x
  2. Step 2: Convert to fraction form
    30,360,297.66/45,492,782.85 = 20,649,541.98/x
  3. Step 3: Cross multiply
    30,360,297.66x = 45,492,782.85 × 20,649,541.98
  4. Step 4: Simplify right side
    30,360,297.66x = 939,405,129,248,099.12
  5. Step 5: Solve for x
    x = 939,405,129,248,099.12/30,360,297.66
  6. Step 6: Final answer
    x = 30,941,894.57

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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.