Home / 30,504,048.09-45,756,035.42-7,784,947.77

Finding the Fourth Proportional to 30,504,048.09, 45,756,035.42 and 7,784,947.77

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Solution

The fourth proportional to 30,504,048.09, 45,756,035.42 and 7,784,947.77 is: 11,677,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,504,048.09 : 45,756,035.42 = 7,784,947.77 : x
  2. Step 2: Convert to fraction form
    30,504,048.09/45,756,035.42 = 7,784,947.77/x
  3. Step 3: Cross multiply
    30,504,048.09x = 45,756,035.42 × 7,784,947.77
  4. Step 4: Simplify right side
    30,504,048.09x = 356,208,345,868,045.25
  5. Step 5: Solve for x
    x = 356,208,345,868,045.25/30,504,048.09
  6. Step 6: Final answer
    x = 11,677,412.28

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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.