Finding the Fourth Proportional to 10,344,655.81, 14,276,746.23 and 5,698,916.91
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Solution
The fourth proportional to 10,344,655.81, 14,276,746.23 and 5,698,916.91 is: 7,865,123.02
Step by Step Solution
- Step 1: Write the proportion equation
10,344,655.81 : 14,276,746.23 = 5,698,916.91 : x - Step 2: Convert to fraction form
10,344,655.81/14,276,746.23 = 5,698,916.91/x - Step 3: Cross multiply
10,344,655.81x = 14,276,746.23 × 5,698,916.91 - Step 4: Simplify right side
10,344,655.81x = 81,361,990,509,925.75 - Step 5: Solve for x
x = 81,361,990,509,925.75/10,344,655.81 - Step 6: Final answer
x = 7,865,123.02
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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.