Finding the Fourth Proportional to 52,110,973.63, 78,167,125.68 and 13,772,156.50
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Solution
The fourth proportional to 52,110,973.63, 78,167,125.68 and 13,772,156.50 is: 20,658,410.56
Step by Step Solution
- Step 1: Write the proportion equation
52,110,973.63 : 78,167,125.68 = 13,772,156.50 : x - Step 2: Convert to fraction form
52,110,973.63/78,167,125.68 = 13,772,156.50/x - Step 3: Cross multiply
52,110,973.63x = 78,167,125.68 × 13,772,156.50 - Step 4: Simplify right side
52,110,973.63x = 1,076,529,888,020,129 - Step 5: Solve for x
x = 1,076,529,888,020,129/52,110,973.63 - Step 6: Final answer
x = 20,658,410.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.