Home / 14,486,145.30-19,992,618.45-8,688,116.70

Finding the Fourth Proportional to 14,486,145.30, 19,992,618.45 and 8,688,116.70

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Solution

The fourth proportional to 14,486,145.30, 19,992,618.45 and 8,688,116.70 is: 11,990,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486,145.30 : 19,992,618.45 = 8,688,116.70 : x
  2. Step 2: Convert to fraction form
    14,486,145.30/19,992,618.45 = 8,688,116.70/x
  3. Step 3: Cross multiply
    14,486,145.30x = 19,992,618.45 × 8,688,116.70
  4. Step 4: Simplify right side
    14,486,145.30x = 173,698,202,232,173.09
  5. Step 5: Solve for x
    x = 173,698,202,232,173.09/14,486,145.30
  6. Step 6: Final answer
    x = 11,990,643.38

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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.