Finding the Fourth Proportional to 10,363,946.02, 15,547,911.63 and 3,973,699.99
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Solution
The fourth proportional to 10,363,946.02, 15,547,911.63 and 3,973,699.99 is: 5,961,313.98
Step by Step Solution
- Step 1: Write the proportion equation
10,363,946.02 : 15,547,911.63 = 3,973,699.99 : x - Step 2: Convert to fraction form
10,363,946.02/15,547,911.63 = 3,973,699.99/x - Step 3: Cross multiply
10,363,946.02x = 15,547,911.63 × 3,973,699.99 - Step 4: Simplify right side
10,363,946.02x = 61,782,736,288,651.89 - Step 5: Solve for x
x = 61,782,736,288,651.89/10,363,946.02 - Step 6: Final answer
x = 5,961,313.98
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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.