Finding the Fourth Proportional to 26,391,731.08, 36,420,237.22 and 14,789,521.12
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Solution
The fourth proportional to 26,391,731.08, 36,420,237.22 and 14,789,521.12 is: 20,409,342.08
Step by Step Solution
- Step 1: Write the proportion equation
26,391,731.08 : 36,420,237.22 = 14,789,521.12 : x - Step 2: Convert to fraction form
26,391,731.08/36,420,237.22 = 14,789,521.12/x - Step 3: Cross multiply
26,391,731.08x = 36,420,237.22 × 14,789,521.12 - Step 4: Simplify right side
26,391,731.08x = 538,637,867,636,767.50 - Step 5: Solve for x
x = 538,637,867,636,767.50/26,391,731.08 - Step 6: Final answer
x = 20,409,342.08
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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.