Finding the Fourth Proportional to 20,776,774.08, 31,168,509.98 and 6,399,827.93
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Solution
The fourth proportional to 20,776,774.08, 31,168,509.98 and 6,399,827.93 is: 9,600,773.43
Step by Step Solution
- Step 1: Write the proportion equation
20,776,774.08 : 31,168,509.98 = 6,399,827.93 : x - Step 2: Convert to fraction form
20,776,774.08/31,168,509.98 = 6,399,827.93/x - Step 3: Cross multiply
20,776,774.08x = 31,168,509.98 × 6,399,827.93 - Step 4: Simplify right side
20,776,774.08x = 199,473,100,518,646.06 - Step 5: Solve for x
x = 199,473,100,518,646.06/20,776,774.08 - Step 6: Final answer
x = 9,600,773.43
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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.