Finding the Fourth Proportional to 26,824,643.73, 40,237,342.83 and 7,655,402.88
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Solution
The fourth proportional to 26,824,643.73, 40,237,342.83 and 7,655,402.88 is: 11,483,211.98
Step by Step Solution
- Step 1: Write the proportion equation
26,824,643.73 : 40,237,342.83 = 7,655,402.88 : x - Step 2: Convert to fraction form
26,824,643.73/40,237,342.83 = 7,655,402.88/x - Step 3: Cross multiply
26,824,643.73x = 40,237,342.83 × 7,655,402.88 - Step 4: Simplify right side
26,824,643.73x = 308,033,070,184,329.31 - Step 5: Solve for x
x = 308,033,070,184,329.31/26,824,643.73 - Step 6: Final answer
x = 11,483,211.98
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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.