Finding the Fourth Proportional to 9,712,651.76, 13,403,108.14 and 5,361,644.68
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Solution
The fourth proportional to 9,712,651.76, 13,403,108.14 and 5,361,644.68 is: 7,398,875.74
Step by Step Solution
- Step 1: Write the proportion equation
9,712,651.76 : 13,403,108.14 = 5,361,644.68 : x - Step 2: Convert to fraction form
9,712,651.76/13,403,108.14 = 5,361,644.68/x - Step 3: Cross multiply
9,712,651.76x = 13,403,108.14 × 5,361,644.68 - Step 4: Simplify right side
9,712,651.76x = 71,862,703,454,295.69 - Step 5: Solve for x
x = 71,862,703,454,295.69/9,712,651.76 - Step 6: Final answer
x = 7,398,875.74
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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.