Home / 20,984,485.14-31,477,851.28-6,608,672.57

Finding the Fourth Proportional to 20,984,485.14, 31,477,851.28 and 6,608,672.57

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Solution

The fourth proportional to 20,984,485.14, 31,477,851.28 and 6,608,672.57 is: 9,913,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,984,485.14 : 31,477,851.28 = 6,608,672.57 : x
  2. Step 2: Convert to fraction form
    20,984,485.14/31,477,851.28 = 6,608,672.57/x
  3. Step 3: Cross multiply
    20,984,485.14x = 31,477,851.28 × 6,608,672.57
  4. Step 4: Simplify right side
    20,984,485.14x = 208,026,812,316,675.41
  5. Step 5: Solve for x
    x = 208,026,812,316,675.41/20,984,485.14
  6. Step 6: Final answer
    x = 9,913,362.70

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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.