Finding the Fourth Proportional to 10,363,957.84, 15,547,929.35 and 3,973,711.81
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Solution
The fourth proportional to 10,363,957.84, 15,547,929.35 and 3,973,711.81 is: 5,961,331.71
Step by Step Solution
- Step 1: Write the proportion equation
10,363,957.84 : 15,547,929.35 = 3,973,711.81 : x - Step 2: Convert to fraction form
10,363,957.84/15,547,929.35 = 3,973,711.81/x - Step 3: Cross multiply
10,363,957.84x = 15,547,929.35 × 3,973,711.81 - Step 4: Simplify right side
10,363,957.84x = 61,782,990,479,140.62 - Step 5: Solve for x
x = 61,782,990,479,140.62/10,363,957.84 - Step 6: Final answer
x = 5,961,331.71
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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.