Home / 30,903,561.20-46,355,111.40-9,338,121.20

Finding the Fourth Proportional to 30,903,561.20, 46,355,111.40 and 9,338,121.20

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Solution

The fourth proportional to 30,903,561.20, 46,355,111.40 and 9,338,121.20 is: 14,007,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903,561.20 : 46,355,111.40 = 9,338,121.20 : x
  2. Step 2: Convert to fraction form
    30,903,561.20/46,355,111.40 = 9,338,121.20/x
  3. Step 3: Cross multiply
    30,903,561.20x = 46,355,111.40 × 9,338,121.20
  4. Step 4: Simplify right side
    30,903,561.20x = 432,869,648,492,701.62
  5. Step 5: Solve for x
    x = 432,869,648,492,701.62/30,903,561.20
  6. Step 6: Final answer
    x = 14,007,112.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.