Finding the Fourth Proportional to 8,512,955.84, 11,748,127.15 and 4,645,726.09
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Solution
The fourth proportional to 8,512,955.84, 11,748,127.15 and 4,645,726.09 is: 6,411,237.39
Step by Step Solution
- Step 1: Write the proportion equation
8,512,955.84 : 11,748,127.15 = 4,645,726.09 : x - Step 2: Convert to fraction form
8,512,955.84/11,748,127.15 = 4,645,726.09/x - Step 3: Cross multiply
8,512,955.84x = 11,748,127.15 × 4,645,726.09 - Step 4: Simplify right side
8,512,955.84x = 54,578,580,809,392.34 - Step 5: Solve for x
x = 54,578,580,809,392.34/8,512,955.84 - Step 6: Final answer
x = 6,411,237.39
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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.