Home / 20,139,026.65-30,208,539.98-5,762,563.45

Finding the Fourth Proportional to 20,139,026.65, 30,208,539.98 and 5,762,563.45

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Solution

The fourth proportional to 20,139,026.65, 30,208,539.98 and 5,762,563.45 is: 8,643,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,026.65 : 30,208,539.98 = 5,762,563.45 : x
  2. Step 2: Convert to fraction form
    20,139,026.65/30,208,539.98 = 5,762,563.45/x
  3. Step 3: Cross multiply
    20,139,026.65x = 30,208,539.98 × 5,762,563.45
  4. Step 4: Simplify right side
    20,139,026.65x = 174,078,628,366,611.75
  5. Step 5: Solve for x
    x = 174,078,628,366,611.75/20,139,026.65
  6. Step 6: Final answer
    x = 8,643,845.18

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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.