Finding the Fourth Proportional to 38,331,214.08, 52,896,798.93 and 20,927,559.14
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Solution
The fourth proportional to 38,331,214.08, 52,896,798.93 and 20,927,559.14 is: 28,879,880.65
Step by Step Solution
- Step 1: Write the proportion equation
38,331,214.08 : 52,896,798.93 = 20,927,559.14 : x - Step 2: Convert to fraction form
38,331,214.08/52,896,798.93 = 20,927,559.14/x - Step 3: Cross multiply
38,331,214.08x = 52,896,798.93 × 20,927,559.14 - Step 4: Simplify right side
38,331,214.08x = 1,107,000,887,924,263.75 - Step 5: Solve for x
x = 1,107,000,887,924,263.75/38,331,214.08 - Step 6: Final answer
x = 28,879,880.65
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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.