Finding the Fourth Proportional to 34,319,533.09, 47,349,431.98 and 19,432,822.31
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Solution
The fourth proportional to 34,319,533.09, 47,349,431.98 and 19,432,822.31 is: 26,810,769.71
Step by Step Solution
- Step 1: Write the proportion equation
34,319,533.09 : 47,349,431.98 = 19,432,822.31 : x - Step 2: Convert to fraction form
34,319,533.09/47,349,431.98 = 19,432,822.31/x - Step 3: Cross multiply
34,319,533.09x = 47,349,431.98 × 19,432,822.31 - Step 4: Simplify right side
34,319,533.09x = 920,133,098,146,771.38 - Step 5: Solve for x
x = 920,133,098,146,771.38/34,319,533.09 - Step 6: Final answer
x = 26,810,769.71
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1.5x scale
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.