Home / 12,217,942.80-16,859,777.40-7,061,638.32

Finding the Fourth Proportional to 12,217,942.80, 16,859,777.40 and 7,061,638.32

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Solution

The fourth proportional to 12,217,942.80, 16,859,777.40 and 7,061,638.32 is: 9,744,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,942.80 : 16,859,777.40 = 7,061,638.32 : x
  2. Step 2: Convert to fraction form
    12,217,942.80/16,859,777.40 = 7,061,638.32/x
  3. Step 3: Cross multiply
    12,217,942.80x = 16,859,777.40 × 7,061,638.32
  4. Step 4: Simplify right side
    12,217,942.80x = 119,057,650,154,509.97
  5. Step 5: Solve for x
    x = 119,057,650,154,509.97/12,217,942.80
  6. Step 6: Final answer
    x = 9,744,492.35

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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.