Finding the Fourth Proportional to 49,387,848.30, 74,081,772.45 and 15,319,637.10
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Solution
The fourth proportional to 49,387,848.30, 74,081,772.45 and 15,319,637.10 is: 22,979,455.65
Step by Step Solution
- Step 1: Write the proportion equation
49,387,848.30 : 74,081,772.45 = 15,319,637.10 : x - Step 2: Convert to fraction form
49,387,848.30/74,081,772.45 = 15,319,637.10/x - Step 3: Cross multiply
49,387,848.30x = 74,081,772.45 × 15,319,637.10 - Step 4: Simplify right side
49,387,848.30x = 1,134,905,869,658,778 - Step 5: Solve for x
x = 1,134,905,869,658,778/49,387,848.30 - Step 6: Final answer
x = 22,979,455.65
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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.