Finding the Fourth Proportional to 26,417,902.68, 39,632,972.15 and 8,221,133.21
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Solution
The fourth proportional to 26,417,902.68, 39,632,972.15 and 8,221,133.21 is: 12,333,603.74
Step by Step Solution
- Step 1: Write the proportion equation
26,417,902.68 : 39,632,972.15 = 8,221,133.21 : x - Step 2: Convert to fraction form
26,417,902.68/39,632,972.15 = 8,221,133.21/x - Step 3: Cross multiply
26,417,902.68x = 39,632,972.15 × 8,221,133.21 - Step 4: Simplify right side
26,417,902.68x = 325,827,943,375,758.12 - Step 5: Solve for x
x = 325,827,943,375,758.12/26,417,902.68 - Step 6: Final answer
x = 12,333,603.74
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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.