Finding the Fourth Proportional to 11,403,119.12, 15,736,307.20 and 6,246,663.98
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Solution
The fourth proportional to 11,403,119.12, 15,736,307.20 and 6,246,663.98 is: 8,620,397.83
Step by Step Solution
- Step 1: Write the proportion equation
11,403,119.12 : 15,736,307.20 = 6,246,663.98 : x - Step 2: Convert to fraction form
11,403,119.12/15,736,307.20 = 6,246,663.98/x - Step 3: Cross multiply
11,403,119.12x = 15,736,307.20 × 6,246,663.98 - Step 4: Simplify right side
11,403,119.12x = 98,299,423,270,156.45 - Step 5: Solve for x
x = 98,299,423,270,156.45/11,403,119.12 - Step 6: Final answer
x = 8,620,397.83
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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.