Finding the Fourth Proportional to 17,298,845.68, 23,872,905.36 and 9,564,387.28
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Solution
The fourth proportional to 17,298,845.68, 23,872,905.36 and 9,564,387.28 is: 13,199,129.96
Step by Step Solution
- Step 1: Write the proportion equation
17,298,845.68 : 23,872,905.36 = 9,564,387.28 : x - Step 2: Convert to fraction form
17,298,845.68/23,872,905.36 = 9,564,387.28/x - Step 3: Cross multiply
17,298,845.68x = 23,872,905.36 × 9,564,387.28 - Step 4: Simplify right side
17,298,845.68x = 228,329,712,361,827.81 - Step 5: Solve for x
x = 228,329,712,361,827.81/17,298,845.68 - Step 6: Final answer
x = 13,199,129.96
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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.