Finding the Fourth Proportional to 18,362,925.12, 27,547,750.08 and 7,574,340.48
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Solution
The fourth proportional to 18,362,925.12, 27,547,750.08 and 7,574,340.48 is: 11,362,897.64
Step by Step Solution
- Step 1: Write the proportion equation
18,362,925.12 : 27,547,750.08 = 7,574,340.48 : x - Step 2: Convert to fraction form
18,362,925.12/27,547,750.08 = 7,574,340.48/x - Step 3: Cross multiply
18,362,925.12x = 27,547,750.08 × 7,574,340.48 - Step 4: Simplify right side
18,362,925.12x = 208,656,038,563,867.25 - Step 5: Solve for x
x = 208,656,038,563,867.25/18,362,925.12 - Step 6: Final answer
x = 11,362,897.64
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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.