Finding the Fourth Proportional to 7,387,916.70, 11,081,875.05 and 4,553,564.70
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Solution
The fourth proportional to 7,387,916.70, 11,081,875.05 and 4,553,564.70 is: 6,830,347.05
Step by Step Solution
- Step 1: Write the proportion equation
7,387,916.70 : 11,081,875.05 = 4,553,564.70 : x - Step 2: Convert to fraction form
7,387,916.70/11,081,875.05 = 4,553,564.70/x - Step 3: Cross multiply
7,387,916.70x = 11,081,875.05 × 4,553,564.70 - Step 4: Simplify right side
7,387,916.70x = 50,462,035,037,490.74 - Step 5: Solve for x
x = 50,462,035,037,490.74/7,387,916.70 - Step 6: Final answer
x = 6,830,347.05
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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.