Finding the Fourth Proportional to 28,546,432.70, 39,376,154.36 and 16,935,773.63
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Solution
The fourth proportional to 28,546,432.70, 39,376,154.36 and 16,935,773.63 is: 23,360,734.55
Step by Step Solution
- Step 1: Write the proportion equation
28,546,432.70 : 39,376,154.36 = 16,935,773.63 : x - Step 2: Convert to fraction form
28,546,432.70/39,376,154.36 = 16,935,773.63/x - Step 3: Cross multiply
28,546,432.70x = 39,376,154.36 × 16,935,773.63 - Step 4: Simplify right side
28,546,432.70x = 666,865,636,506,356.12 - Step 5: Solve for x
x = 666,865,636,506,356.12/28,546,432.70 - Step 6: Final answer
x = 23,360,734.55
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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.