Home / 19,409,602.56-29,054,684.16-12,663,490.56

Finding the Fourth Proportional to 19,409,602.56, 29,054,684.16 and 12,663,490.56

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Solution

The fourth proportional to 19,409,602.56, 29,054,684.16 and 12,663,490.56 is: 18,956,272.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409,602.56 : 29,054,684.16 = 12,663,490.56 : x
  2. Step 2: Convert to fraction form
    19,409,602.56/29,054,684.16 = 12,663,490.56/x
  3. Step 3: Cross multiply
    19,409,602.56x = 29,054,684.16 × 12,663,490.56
  4. Step 4: Simplify right side
    19,409,602.56x = 367,933,718,583,941.56
  5. Step 5: Solve for x
    x = 367,933,718,583,941.56/19,409,602.56
  6. Step 6: Final answer
    x = 18,956,272.67

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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.