Finding the Fourth Proportional to 26,293,547.70, 39,619,794.06 and 21,606,238.08
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Solution
The fourth proportional to 26,293,547.70, 39,619,794.06 and 21,606,238.08 is: 32,556,835.35
Step by Step Solution
- Step 1: Write the proportion equation
26,293,547.70 : 39,619,794.06 = 21,606,238.08 : x - Step 2: Convert to fraction form
26,293,547.70/39,619,794.06 = 21,606,238.08/x - Step 3: Cross multiply
26,293,547.70x = 39,619,794.06 × 21,606,238.08 - Step 4: Simplify right side
26,293,547.70x = 856,034,703,140,929.75 - Step 5: Solve for x
x = 856,034,703,140,929.75/26,293,547.70 - Step 6: Final answer
x = 32,556,835.35
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.