Finding the Fourth Proportional to 28,204,219.84, 42,312,420.84 and 8,773,076.20
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Solution
The fourth proportional to 28,204,219.84, 42,312,420.84 and 8,773,076.20 is: 13,161,508.96
Step by Step Solution
- Step 1: Write the proportion equation
28,204,219.84 : 42,312,420.84 = 8,773,076.20 : x - Step 2: Convert to fraction form
28,204,219.84/42,312,420.84 = 8,773,076.20/x - Step 3: Cross multiply
28,204,219.84x = 42,312,420.84 × 8,773,076.20 - Step 4: Simplify right side
28,204,219.84x = 371,210,092,235,788 - Step 5: Solve for x
x = 371,210,092,235,788/28,204,219.84 - Step 6: Final answer
x = 13,161,508.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.