Home / 30,019,403.94-41,426,812.80-16,268,368.05

Finding the Fourth Proportional to 30,019,403.94, 41,426,812.80 and 16,268,368.05

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Solution

The fourth proportional to 30,019,403.94, 41,426,812.80 and 16,268,368.05 is: 22,450,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019,403.94 : 41,426,812.80 = 16,268,368.05 : x
  2. Step 2: Convert to fraction form
    30,019,403.94/41,426,812.80 = 16,268,368.05/x
  3. Step 3: Cross multiply
    30,019,403.94x = 41,426,812.80 × 16,268,368.05
  4. Step 4: Simplify right side
    30,019,403.94x = 673,946,637,768,851
  5. Step 5: Solve for x
    x = 673,946,637,768,851/30,019,403.94
  6. Step 6: Final answer
    x = 22,450,367.07

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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.