Home / 14,914,946.92-20,570,966.36-9,689,638.67

Finding the Fourth Proportional to 14,914,946.92, 20,570,966.36 and 9,689,638.67

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Solution

The fourth proportional to 14,914,946.92, 20,570,966.36 and 9,689,638.67 is: 13,364,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914,946.92 : 20,570,966.36 = 9,689,638.67 : x
  2. Step 2: Convert to fraction form
    14,914,946.92/20,570,966.36 = 9,689,638.67/x
  3. Step 3: Cross multiply
    14,914,946.92x = 20,570,966.36 × 9,689,638.67
  4. Step 4: Simplify right side
    14,914,946.92x = 199,325,231,121,125.12
  5. Step 5: Solve for x
    x = 199,325,231,121,125.12/14,914,946.92
  6. Step 6: Final answer
    x = 13,364,126.08

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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.