Finding the Fourth Proportional to 28,470,920.13, 42,706,224.68 and 6,905,480.13
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Solution
The fourth proportional to 28,470,920.13, 42,706,224.68 and 6,905,480.13 is: 10,358,182.47
Step by Step Solution
- Step 1: Write the proportion equation
28,470,920.13 : 42,706,224.68 = 6,905,480.13 : x - Step 2: Convert to fraction form
28,470,920.13/42,706,224.68 = 6,905,480.13/x - Step 3: Cross multiply
28,470,920.13x = 42,706,224.68 × 6,905,480.13 - Step 4: Simplify right side
28,470,920.13x = 294,906,985,920,528.19 - Step 5: Solve for x
x = 294,906,985,920,528.19/28,470,920.13 - Step 6: Final answer
x = 10,358,182.47
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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.