Finding the Fourth Proportional to 26,133,417.61, 39,197,572.18 and 7,937,770.79
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Solution
The fourth proportional to 26,133,417.61, 39,197,572.18 and 7,937,770.79 is: 11,905,880.37
Step by Step Solution
- Step 1: Write the proportion equation
26,133,417.61 : 39,197,572.18 = 7,937,770.79 : x - Step 2: Convert to fraction form
26,133,417.61/39,197,572.18 = 7,937,770.79/x - Step 3: Cross multiply
26,133,417.61x = 39,197,572.18 × 7,937,770.79 - Step 4: Simplify right side
26,133,417.61x = 311,141,343,567,470.19 - Step 5: Solve for x
x = 311,141,343,567,470.19/26,133,417.61 - Step 6: Final answer
x = 11,905,880.37
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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.