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Finding the Fourth Proportional to 9,346,369.80, 13,103,813.40 and 9,346,369.80

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Solution

The fourth proportional to 9,346,369.80, 13,103,813.40 and 9,346,369.80 is: 13,103,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346,369.80 : 13,103,813.40 = 9,346,369.80 : x
  2. Step 2: Convert to fraction form
    9,346,369.80/13,103,813.40 = 9,346,369.80/x
  3. Step 3: Cross multiply
    9,346,369.80x = 13,103,813.40 × 9,346,369.80
  4. Step 4: Simplify right side
    9,346,369.80x = 122,473,085,826,595.33
  5. Step 5: Solve for x
    x = 122,473,085,826,595.33/9,346,369.80
  6. Step 6: Final answer
    x = 13,103,813.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.