Home / 12,993,880.53-17,931,337.49-7,192,537.41

Finding the Fourth Proportional to 12,993,880.53, 17,931,337.49 and 7,192,537.41

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Solution

The fourth proportional to 12,993,880.53, 17,931,337.49 and 7,192,537.41 is: 9,925,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,880.53 : 17,931,337.49 = 7,192,537.41 : x
  2. Step 2: Convert to fraction form
    12,993,880.53/17,931,337.49 = 7,192,537.41/x
  3. Step 3: Cross multiply
    12,993,880.53x = 17,931,337.49 × 7,192,537.41
  4. Step 4: Simplify right side
    12,993,880.53x = 128,971,815,672,197.81
  5. Step 5: Solve for x
    x = 128,971,815,672,197.81/12,993,880.53
  6. Step 6: Final answer
    x = 9,925,581.15

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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.