Home / 34,782,649.20-52,173,973.80-20,421,932.40

Finding the Fourth Proportional to 34,782,649.20, 52,173,973.80 and 20,421,932.40

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Solution

The fourth proportional to 34,782,649.20, 52,173,973.80 and 20,421,932.40 is: 30,632,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,782,649.20 : 52,173,973.80 = 20,421,932.40 : x
  2. Step 2: Convert to fraction form
    34,782,649.20/52,173,973.80 = 20,421,932.40/x
  3. Step 3: Cross multiply
    34,782,649.20x = 52,173,973.80 × 20,421,932.40
  4. Step 4: Simplify right side
    34,782,649.20x = 1,065,493,365,982,971
  5. Step 5: Solve for x
    x = 1,065,493,365,982,971/34,782,649.20
  6. Step 6: Final answer
    x = 30,632,898.60

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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.