Finding the Fourth Proportional to 10,959,916.68, 15,124,312.61 and 6,065,345.07
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Solution
The fourth proportional to 10,959,916.68, 15,124,312.61 and 6,065,345.07 is: 8,369,970.10
Step by Step Solution
- Step 1: Write the proportion equation
10,959,916.68 : 15,124,312.61 = 6,065,345.07 : x - Step 2: Convert to fraction form
10,959,916.68/15,124,312.61 = 6,065,345.07/x - Step 3: Cross multiply
10,959,916.68x = 15,124,312.61 × 6,065,345.07 - Step 4: Simplify right side
10,959,916.68x = 91,734,174,918,620.66 - Step 5: Solve for x
x = 91,734,174,918,620.66/10,959,916.68 - Step 6: Final answer
x = 8,369,970.10
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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.