Finding the Fourth Proportional to 32,478,123.66, 48,717,248.19 and 7,885,946.65
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Solution
The fourth proportional to 32,478,123.66, 48,717,248.19 and 7,885,946.65 is: 11,828,935.19
Step by Step Solution
- Step 1: Write the proportion equation
32,478,123.66 : 48,717,248.19 = 7,885,946.65 : x - Step 2: Convert to fraction form
32,478,123.66/48,717,248.19 = 7,885,946.65/x - Step 3: Cross multiply
32,478,123.66x = 48,717,248.19 × 7,885,946.65 - Step 4: Simplify right side
32,478,123.66x = 384,181,619,939,973.25 - Step 5: Solve for x
x = 384,181,619,939,973.25/32,478,123.66 - Step 6: Final answer
x = 11,828,935.19
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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.