Finding the Fourth Proportional to 9,851,197.68, 13,596,920.28 and 5,778,128.88
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Solution
The fourth proportional to 9,851,197.68, 13,596,920.28 and 5,778,128.88 is: 7,975,147.82
Step by Step Solution
- Step 1: Write the proportion equation
9,851,197.68 : 13,596,920.28 = 5,778,128.88 : x - Step 2: Convert to fraction form
9,851,197.68/13,596,920.28 = 5,778,128.88/x - Step 3: Cross multiply
9,851,197.68x = 13,596,920.28 × 5,778,128.88 - Step 4: Simplify right side
9,851,197.68x = 78,564,757,748,925.69 - Step 5: Solve for x
x = 78,564,757,748,925.69/9,851,197.68 - Step 6: Final answer
x = 7,975,147.82
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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.