Home / 15,662,113.56-21,611,828.70-8,692,756.92

Finding the Fourth Proportional to 15,662,113.56, 21,611,828.70 and 8,692,756.92

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Solution

The fourth proportional to 15,662,113.56, 21,611,828.70 and 8,692,756.92 is: 11,994,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,662,113.56 : 21,611,828.70 = 8,692,756.92 : x
  2. Step 2: Convert to fraction form
    15,662,113.56/21,611,828.70 = 8,692,756.92/x
  3. Step 3: Cross multiply
    15,662,113.56x = 21,611,828.70 × 8,692,756.92
  4. Step 4: Simplify right side
    15,662,113.56x = 187,866,373,485,779.59
  5. Step 5: Solve for x
    x = 187,866,373,485,779.59/15,662,113.56
  6. Step 6: Final answer
    x = 11,994,956.67

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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.