Home / 12,217,916.28-16,859,741.20-7,061,611.80

Finding the Fourth Proportional to 12,217,916.28, 16,859,741.20 and 7,061,611.80

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Solution

The fourth proportional to 12,217,916.28, 16,859,741.20 and 7,061,611.80 is: 9,744,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,916.28 : 16,859,741.20 = 7,061,611.80 : x
  2. Step 2: Convert to fraction form
    12,217,916.28/16,859,741.20 = 7,061,611.80/x
  3. Step 3: Cross multiply
    12,217,916.28x = 16,859,741.20 × 7,061,611.80
  4. Step 4: Simplify right side
    12,217,916.28x = 119,056,947,402,866.16
  5. Step 5: Solve for x
    x = 119,056,947,402,866.16/12,217,916.28
  6. Step 6: Final answer
    x = 9,744,455.98

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1.5x scale

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.