Finding the Fourth Proportional to 6,316,973.11, 8,717,428.71 and 3,416,363.98
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Solution
The fourth proportional to 6,316,973.11, 8,717,428.71 and 3,416,363.98 is: 4,714,585.45
Step by Step Solution
- Step 1: Write the proportion equation
6,316,973.11 : 8,717,428.71 = 3,416,363.98 : x - Step 2: Convert to fraction form
6,316,973.11/8,717,428.71 = 3,416,363.98/x - Step 3: Cross multiply
6,316,973.11x = 8,717,428.71 × 3,416,363.98 - Step 4: Simplify right side
6,316,973.11x = 29,781,909,484,717.47 - Step 5: Solve for x
x = 29,781,909,484,717.47/6,316,973.11 - Step 6: Final answer
x = 4,714,585.45
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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.