Finding the Fourth Proportional to 26,133,430.05, 39,197,590.72 and 7,937,783.24
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Solution
The fourth proportional to 26,133,430.05, 39,197,590.72 and 7,937,783.24 is: 11,905,898.99
Step by Step Solution
- Step 1: Write the proportion equation
26,133,430.05 : 39,197,590.72 = 7,937,783.24 : x - Step 2: Convert to fraction form
26,133,430.05/39,197,590.72 = 7,937,783.24/x - Step 3: Cross multiply
26,133,430.05x = 39,197,590.72 × 7,937,783.24 - Step 4: Simplify right side
26,133,430.05x = 311,141,978,449,763.12 - Step 5: Solve for x
x = 311,141,978,449,763.12/26,133,430.05 - Step 6: Final answer
x = 11,905,898.99
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1.5x scale
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.