Finding the Fourth Proportional to 10,726,506.60, 14,802,637.26 and 6,316,423.80
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Solution
The fourth proportional to 10,726,506.60, 14,802,637.26 and 6,316,423.80 is: 8,716,699.09
Step by Step Solution
- Step 1: Write the proportion equation
10,726,506.60 : 14,802,637.26 = 6,316,423.80 : x - Step 2: Convert to fraction form
10,726,506.60/14,802,637.26 = 6,316,423.80/x - Step 3: Cross multiply
10,726,506.60x = 14,802,637.26 × 6,316,423.80 - Step 4: Simplify right side
10,726,506.60x = 93,499,730,291,830.78 - Step 5: Solve for x
x = 93,499,730,291,830.78/10,726,506.60 - Step 6: Final answer
x = 8,716,699.09
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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.