Finding the Fourth Proportional to 26,823,146.72, 40,235,089.12 and 7,653,897.60
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Solution
The fourth proportional to 26,823,146.72, 40,235,089.12 and 7,653,897.60 is: 11,480,951.70
Step by Step Solution
- Step 1: Write the proportion equation
26,823,146.72 : 40,235,089.12 = 7,653,897.60 : x - Step 2: Convert to fraction form
26,823,146.72/40,235,089.12 = 7,653,897.60/x - Step 3: Cross multiply
26,823,146.72x = 40,235,089.12 × 7,653,897.60 - Step 4: Simplify right side
26,823,146.72x = 307,955,252,051,354.06 - Step 5: Solve for x
x = 307,955,252,051,354.06/26,823,146.72 - Step 6: Final answer
x = 11,480,951.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.