Finding the Fourth Proportional to 10,499,021.64, 15,730,803.18 and 6,447,064.68
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Solution
The fourth proportional to 10,499,021.64, 15,730,803.18 and 6,447,064.68 is: 9,659,710.12
Step by Step Solution
- Step 1: Write the proportion equation
10,499,021.64 : 15,730,803.18 = 6,447,064.68 : x - Step 2: Convert to fraction form
10,499,021.64/15,730,803.18 = 6,447,064.68/x - Step 3: Cross multiply
10,499,021.64x = 15,730,803.18 × 6,447,064.68 - Step 4: Simplify right side
10,499,021.64x = 101,417,505,569,809.67 - Step 5: Solve for x
x = 101,417,505,569,809.67/10,499,021.64 - Step 6: Final answer
x = 9,659,710.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.