Finding the Fourth Proportional to 22,493,670.90, 31,041,566.99 and 12,570,117.42
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Solution
The fourth proportional to 22,493,670.90, 31,041,566.99 and 12,570,117.42 is: 17,346,930.33
Step by Step Solution
- Step 1: Write the proportion equation
22,493,670.90 : 31,041,566.99 = 12,570,117.42 : x - Step 2: Convert to fraction form
22,493,670.90/31,041,566.99 = 12,570,117.42/x - Step 3: Cross multiply
22,493,670.90x = 31,041,566.99 × 12,570,117.42 - Step 4: Simplify right side
22,493,670.90x = 390,196,141,965,095.94 - Step 5: Solve for x
x = 390,196,141,965,095.94/22,493,670.90 - Step 6: Final answer
x = 17,346,930.33
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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.