Finding the Fourth Proportional to 56,165,392, 84,248,088 and 13,615,120
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Solution
The fourth proportional to 56,165,392, 84,248,088 and 13,615,120 is: 20,422,680
Step by Step Solution
- Step 1: Write the proportion equation
56,165,392 : 84,248,088 = 13,615,120 : x - Step 2: Convert to fraction form
56,165,392/84,248,088 = 13,615,120/x - Step 3: Cross multiply
56,165,392x = 84,248,088 × 13,615,120 - Step 4: Simplify right side
56,165,392x = 1,147,047,827,890,560 - Step 5: Solve for x
x = 1,147,047,827,890,560/56,165,392 - Step 6: Final answer
x = 20,422,680
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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.