Home / 20,803,538.80-31,144,482.60-14,831,570.80

Finding the Fourth Proportional to 20,803,538.80, 31,144,482.60 and 14,831,570.80

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Solution

The fourth proportional to 20,803,538.80, 31,144,482.60 and 14,831,570.80 is: 22,203,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803,538.80 : 31,144,482.60 = 14,831,570.80 : x
  2. Step 2: Convert to fraction form
    20,803,538.80/31,144,482.60 = 14,831,570.80/x
  3. Step 3: Cross multiply
    20,803,538.80x = 31,144,482.60 × 14,831,570.80
  4. Step 4: Simplify right side
    20,803,538.80x = 461,921,598,711,268.12
  5. Step 5: Solve for x
    x = 461,921,598,711,268.12/20,803,538.80
  6. Step 6: Final answer
    x = 22,203,991.50

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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.