Finding the Fourth Proportional to 19,895,245.07, 29,842,865.06 and 5,518,312.79
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Solution
The fourth proportional to 19,895,245.07, 29,842,865.06 and 5,518,312.79 is: 8,277,468.47
Step by Step Solution
- Step 1: Write the proportion equation
19,895,245.07 : 29,842,865.06 = 5,518,312.79 : x - Step 2: Convert to fraction form
19,895,245.07/29,842,865.06 = 5,518,312.79/x - Step 3: Cross multiply
19,895,245.07x = 29,842,865.06 × 5,518,312.79 - Step 4: Simplify right side
19,895,245.07x = 164,682,263,774,036.22 - Step 5: Solve for x
x = 164,682,263,774,036.22/19,895,245.07 - Step 6: Final answer
x = 8,277,468.47
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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.