Finding the Fourth Proportional to 10,485,408.30, 15,696,619.65 and 6,223,382.70
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Solution
The fourth proportional to 10,485,408.30, 15,696,619.65 and 6,223,382.70 is: 9,316,382.19
Step by Step Solution
- Step 1: Write the proportion equation
10,485,408.30 : 15,696,619.65 = 6,223,382.70 : x - Step 2: Convert to fraction form
10,485,408.30/15,696,619.65 = 6,223,382.70/x - Step 3: Cross multiply
10,485,408.30x = 15,696,619.65 × 6,223,382.70 - Step 4: Simplify right side
10,485,408.30x = 97,686,071,178,290.06 - Step 5: Solve for x
x = 97,686,071,178,290.06/10,485,408.30 - Step 6: Final answer
x = 9,316,382.19
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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.