Finding the Fourth Proportional to 12,506,538.24, 17,255,088.38 and 6,999,038.01
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Solution
The fourth proportional to 12,506,538.24, 17,255,088.38 and 6,999,038.01 is: 9,656,470.65
Step by Step Solution
- Step 1: Write the proportion equation
12,506,538.24 : 17,255,088.38 = 6,999,038.01 : x - Step 2: Convert to fraction form
12,506,538.24/17,255,088.38 = 6,999,038.01/x - Step 3: Cross multiply
12,506,538.24x = 17,255,088.38 × 6,999,038.01 - Step 4: Simplify right side
12,506,538.24x = 120,769,019,455,026.92 - Step 5: Solve for x
x = 120,769,019,455,026.92/12,506,538.24 - Step 6: Final answer
x = 9,656,470.65
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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.