Home / 7,938,008.80-11,907,013.20-7,882,021.60

Finding the Fourth Proportional to 7,938,008.80, 11,907,013.20 and 7,882,021.60

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Solution

The fourth proportional to 7,938,008.80, 11,907,013.20 and 7,882,021.60 is: 11,823,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,008.80 : 11,907,013.20 = 7,882,021.60 : x
  2. Step 2: Convert to fraction form
    7,938,008.80/11,907,013.20 = 7,882,021.60/x
  3. Step 3: Cross multiply
    7,938,008.80x = 11,907,013.20 × 7,882,021.60
  4. Step 4: Simplify right side
    7,938,008.80x = 93,851,335,233,885.11
  5. Step 5: Solve for x
    x = 93,851,335,233,885.11/7,938,008.80
  6. Step 6: Final answer
    x = 11,823,032.40

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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.