Home / 14,688,932.72-20,270,938.08-8,074,133.84

Finding the Fourth Proportional to 14,688,932.72, 20,270,938.08 and 8,074,133.84

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Solution

The fourth proportional to 14,688,932.72, 20,270,938.08 and 8,074,133.84 is: 11,142,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688,932.72 : 20,270,938.08 = 8,074,133.84 : x
  2. Step 2: Convert to fraction form
    14,688,932.72/20,270,938.08 = 8,074,133.84/x
  3. Step 3: Cross multiply
    14,688,932.72x = 20,270,938.08 × 8,074,133.84
  4. Step 4: Simplify right side
    14,688,932.72x = 163,670,267,120,272.62
  5. Step 5: Solve for x
    x = 163,670,267,120,272.62/14,688,932.72
  6. Step 6: Final answer
    x = 11,142,420.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.