Home / 30,360,297.16-45,492,782.10-20,649,541.48

Finding the Fourth Proportional to 30,360,297.16, 45,492,782.10 and 20,649,541.48

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Solution

The fourth proportional to 30,360,297.16, 45,492,782.10 and 20,649,541.48 is: 30,941,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,297.16 : 45,492,782.10 = 20,649,541.48 : x
  2. Step 2: Convert to fraction form
    30,360,297.16/45,492,782.10 = 20,649,541.48/x
  3. Step 3: Cross multiply
    30,360,297.16x = 45,492,782.10 × 20,649,541.48
  4. Step 4: Simplify right side
    30,360,297.16x = 939,405,090,787,087.75
  5. Step 5: Solve for x
    x = 939,405,090,787,087.75/30,360,297.16
  6. Step 6: Final answer
    x = 30,941,893.82

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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.