Finding the Fourth Proportional to 39,319,590.81, 58,979,335.38 and 10,565,726.84
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Solution
The fourth proportional to 39,319,590.81, 58,979,335.38 and 10,565,726.84 is: 15,848,576.59
Step by Step Solution
- Step 1: Write the proportion equation
39,319,590.81 : 58,979,335.38 = 10,565,726.84 : x - Step 2: Convert to fraction form
39,319,590.81/58,979,335.38 = 10,565,726.84/x - Step 3: Cross multiply
39,319,590.81x = 58,979,335.38 × 10,565,726.84 - Step 4: Simplify right side
39,319,590.81x = 623,159,546,534,931 - Step 5: Solve for x
x = 623,159,546,534,931/39,319,590.81 - Step 6: Final answer
x = 15,848,576.59
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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.