Home / 13,880,952.96-19,152,992.88-8,721,325.20

Finding the Fourth Proportional to 13,880,952.96, 19,152,992.88 and 8,721,325.20

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Solution

The fourth proportional to 13,880,952.96, 19,152,992.88 and 8,721,325.20 is: 12,033,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880,952.96 : 19,152,992.88 = 8,721,325.20 : x
  2. Step 2: Convert to fraction form
    13,880,952.96/19,152,992.88 = 8,721,325.20/x
  3. Step 3: Cross multiply
    13,880,952.96x = 19,152,992.88 × 8,721,325.20
  4. Step 4: Simplify right side
    13,880,952.96x = 167,039,479,459,764.56
  5. Step 5: Solve for x
    x = 167,039,479,459,764.56/13,880,952.96
  6. Step 6: Final answer
    x = 12,033,718.43

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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.