Home / 30,409,609.64-41,964,926.96-16,470,618

Finding the Fourth Proportional to 30,409,609.64, 41,964,926.96 and 16,470,618

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Solution

The fourth proportional to 30,409,609.64, 41,964,926.96 and 16,470,618 is: 22,729,271.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409,609.64 : 41,964,926.96 = 16,470,618 : x
  2. Step 2: Convert to fraction form
    30,409,609.64/41,964,926.96 = 16,470,618/x
  3. Step 3: Cross multiply
    30,409,609.64x = 41,964,926.96 × 16,470,618
  4. Step 4: Simplify right side
    30,409,609.64x = 691,188,281,356,061.25
  5. Step 5: Solve for x
    x = 691,188,281,356,061.25/30,409,609.64
  6. Step 6: Final answer
    x = 22,729,271.75

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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.