Finding the Fourth Proportional to 15,158,830.35, 22,745,416.47 and 7,868,415.63
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Solution
The fourth proportional to 15,158,830.35, 22,745,416.47 and 7,868,415.63 is: 11,806,345.63
Step by Step Solution
- Step 1: Write the proportion equation
15,158,830.35 : 22,745,416.47 = 7,868,415.63 : x - Step 2: Convert to fraction form
15,158,830.35/22,745,416.47 = 7,868,415.63/x - Step 3: Cross multiply
15,158,830.35x = 22,745,416.47 × 7,868,415.63 - Step 4: Simplify right side
15,158,830.35x = 178,970,390,463,407.41 - Step 5: Solve for x
x = 178,970,390,463,407.41/15,158,830.35 - Step 6: Final answer
x = 11,806,345.63
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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.