Finding the Fourth Proportional to 26,594,959.62, 36,699,462.58 and 15,430,587.76
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Solution
The fourth proportional to 26,594,959.62, 36,699,462.58 and 15,430,587.76 is: 21,293,293.40
Step by Step Solution
- Step 1: Write the proportion equation
26,594,959.62 : 36,699,462.58 = 15,430,587.76 : x - Step 2: Convert to fraction form
26,594,959.62/36,699,462.58 = 15,430,587.76/x - Step 3: Cross multiply
26,594,959.62x = 36,699,462.58 × 15,430,587.76 - Step 4: Simplify right side
26,594,959.62x = 566,294,278,085,526 - Step 5: Solve for x
x = 566,294,278,085,526/26,594,959.62 - Step 6: Final answer
x = 21,293,293.40
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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.