Home / 30,991,114.80-46,376,447.40-26,991,529.20

Finding the Fourth Proportional to 30,991,114.80, 46,376,447.40 and 26,991,529.20

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Solution

The fourth proportional to 30,991,114.80, 46,376,447.40 and 26,991,529.20 is: 40,391,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,991,114.80 : 46,376,447.40 = 26,991,529.20 : x
  2. Step 2: Convert to fraction form
    30,991,114.80/46,376,447.40 = 26,991,529.20/x
  3. Step 3: Cross multiply
    30,991,114.80x = 46,376,447.40 × 26,991,529.20
  4. Step 4: Simplify right side
    30,991,114.80x = 1,251,771,234,189,364
  5. Step 5: Solve for x
    x = 1,251,771,234,189,364/30,991,114.80
  6. Step 6: Final answer
    x = 40,391,294.16

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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.