Finding the Fourth Proportional to 11,349,656.11, 15,658,432.68 and 8,736,959.26
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Solution
The fourth proportional to 11,349,656.11, 15,658,432.68 and 8,736,959.26 is: 12,053,853.18
Step by Step Solution
- Step 1: Write the proportion equation
11,349,656.11 : 15,658,432.68 = 8,736,959.26 : x - Step 2: Convert to fraction form
11,349,656.11/15,658,432.68 = 8,736,959.26/x - Step 3: Cross multiply
11,349,656.11x = 15,658,432.68 × 8,736,959.26 - Step 4: Simplify right side
11,349,656.11x = 136,807,088,400,612.61 - Step 5: Solve for x
x = 136,807,088,400,612.61/11,349,656.11 - Step 6: Final answer
x = 12,053,853.18
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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.