Finding the Fourth Proportional to 28,584,648,730.68, 39,447,903,587.31 and 15,898,301,755.08
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Solution
The fourth proportional to 28,584,648,730.68, 39,447,903,587.31 and 15,898,301,755.08 is: 21,940,261,737.88
Step by Step Solution
- Step 1: Write the proportion equation
28,584,648,730.68 : 39,447,903,587.31 = 15,898,301,755.08 : x - Step 2: Convert to fraction form
28,584,648,730.68/39,447,903,587.31 = 15,898,301,755.08/x - Step 3: Cross multiply
28,584,648,730.68x = 39,447,903,587.31 × 15,898,301,755.08 - Step 4: Simplify right side
28,584,648,730.68x = 627,154,674,836,357,120,000 - Step 5: Solve for x
x = 627,154,674,836,357,120,000/28,584,648,730.68 - Step 6: Final answer
x = 21,940,261,737.88
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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.