Finding the Fourth Proportional to 19,510,791.18, 29,256,951.96 and 7,210,720.32
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Solution
The fourth proportional to 19,510,791.18, 29,256,951.96 and 7,210,720.32 is: 10,812,667.52
Step by Step Solution
- Step 1: Write the proportion equation
19,510,791.18 : 29,256,951.96 = 7,210,720.32 : x - Step 2: Convert to fraction form
19,510,791.18/29,256,951.96 = 7,210,720.32/x - Step 3: Cross multiply
19,510,791.18x = 29,256,951.96 × 7,210,720.32 - Step 4: Simplify right side
19,510,791.18x = 210,963,697,999,235.84 - Step 5: Solve for x
x = 210,963,697,999,235.84/19,510,791.18 - Step 6: Final answer
x = 10,812,667.52
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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.