Finding the Fourth Proportional to 50,787,392.94, 70,090,924.68 and 28,764,810
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Solution
The fourth proportional to 50,787,392.94, 70,090,924.68 and 28,764,810 is: 39,697,885.92
Step by Step Solution
- Step 1: Write the proportion equation
50,787,392.94 : 70,090,924.68 = 28,764,810 : x - Step 2: Convert to fraction form
50,787,392.94/70,090,924.68 = 28,764,810/x - Step 3: Cross multiply
50,787,392.94x = 70,090,924.68 × 28,764,810 - Step 4: Simplify right side
50,787,392.94x = 2,016,152,131,144,511 - Step 5: Solve for x
x = 2,016,152,131,144,511/50,787,392.94 - Step 6: Final answer
x = 39,697,885.92
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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.