Finding the Fourth Proportional to 51,894,565.42, 71,611,428.63 and 28,688,308.42
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Solution
The fourth proportional to 51,894,565.42, 71,611,428.63 and 28,688,308.42 is: 39,588,167.55
Step by Step Solution
- Step 1: Write the proportion equation
51,894,565.42 : 71,611,428.63 = 28,688,308.42 : x - Step 2: Convert to fraction form
51,894,565.42/71,611,428.63 = 28,688,308.42/x - Step 3: Cross multiply
51,894,565.42x = 71,611,428.63 × 28,688,308.42 - Step 4: Simplify right side
51,894,565.42x = 2,054,410,750,934,258 - Step 5: Solve for x
x = 2,054,410,750,934,258/51,894,565.42 - Step 6: Final answer
x = 39,588,167.55
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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.