Finding the Fourth Proportional to 19,145,298.08, 26,420,680 and 10,443,509.28
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Solution
The fourth proportional to 19,145,298.08, 26,420,680 and 10,443,509.28 is: 14,412,134.80
Step by Step Solution
- Step 1: Write the proportion equation
19,145,298.08 : 26,420,680 = 10,443,509.28 : x - Step 2: Convert to fraction form
19,145,298.08/26,420,680 = 10,443,509.28/x - Step 3: Cross multiply
19,145,298.08x = 26,420,680 × 10,443,509.28 - Step 4: Simplify right side
19,145,298.08x = 275,924,616,763,910.38 - Step 5: Solve for x
x = 275,924,616,763,910.38/19,145,298.08 - Step 6: Final answer
x = 14,412,134.80
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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.