Finding the Fourth Proportional to 14,356,054.08, 19,810,807.20 and 7,917,526.08
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Solution
The fourth proportional to 14,356,054.08, 19,810,807.20 and 7,917,526.08 is: 10,925,884.08
Step by Step Solution
- Step 1: Write the proportion equation
14,356,054.08 : 19,810,807.20 = 7,917,526.08 : x - Step 2: Convert to fraction form
14,356,054.08/19,810,807.20 = 7,917,526.08/x - Step 3: Cross multiply
14,356,054.08x = 19,810,807.20 × 7,917,526.08 - Step 4: Simplify right side
14,356,054.08x = 156,852,582,671,851.78 - Step 5: Solve for x
x = 156,852,582,671,851.78/14,356,054.08 - Step 6: Final answer
x = 10,925,884.08
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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.