Finding the Fourth Proportional to 26,163,479.81, 36,105,602.18 and 14,563,783.55
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Solution
The fourth proportional to 26,163,479.81, 36,105,602.18 and 14,563,783.55 is: 20,098,021.32
Step by Step Solution
- Step 1: Write the proportion equation
26,163,479.81 : 36,105,602.18 = 14,563,783.55 : x - Step 2: Convert to fraction form
26,163,479.81/36,105,602.18 = 14,563,783.55/x - Step 3: Cross multiply
26,163,479.81x = 36,105,602.18 × 14,563,783.55 - Step 4: Simplify right side
26,163,479.81x = 525,834,175,109,373.19 - Step 5: Solve for x
x = 525,834,175,109,373.19/26,163,479.81 - Step 6: Final answer
x = 20,098,021.32
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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.