Finding the Fourth Proportional to 40,314,931.75, 55,639,328.99 and 22,913,892.65
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Solution
The fourth proportional to 40,314,931.75, 55,639,328.99 and 22,913,892.65 is: 31,623,856.39
Step by Step Solution
- Step 1: Write the proportion equation
40,314,931.75 : 55,639,328.99 = 22,913,892.65 : x - Step 2: Convert to fraction form
40,314,931.75/55,639,328.99 = 22,913,892.65/x - Step 3: Cross multiply
40,314,931.75x = 55,639,328.99 × 22,913,892.65 - Step 4: Simplify right side
40,314,931.75x = 1,274,913,611,791,276 - Step 5: Solve for x
x = 1,274,913,611,791,276/40,314,931.75 - Step 6: Final answer
x = 31,623,856.39
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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.