Finding the Fourth Proportional to 7,637,132.42, 10,539,621.08 and 4,737,457.56
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Solution
The fourth proportional to 7,637,132.42, 10,539,621.08 and 4,737,457.56 is: 6,537,926.12
Step by Step Solution
- Step 1: Write the proportion equation
7,637,132.42 : 10,539,621.08 = 4,737,457.56 : x - Step 2: Convert to fraction form
7,637,132.42/10,539,621.08 = 4,737,457.56/x - Step 3: Cross multiply
7,637,132.42x = 10,539,621.08 × 4,737,457.56 - Step 4: Simplify right side
7,637,132.42x = 49,931,007,564,981.36 - Step 5: Solve for x
x = 49,931,007,564,981.36/7,637,132.42 - Step 6: Final answer
x = 6,537,926.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.