Finding the Fourth Proportional to 10,473,210.25, 15,709,657.60 and 4,711,875.19
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Solution
The fourth proportional to 10,473,210.25, 15,709,657.60 and 4,711,875.19 is: 7,067,741.80
Step by Step Solution
- Step 1: Write the proportion equation
10,473,210.25 : 15,709,657.60 = 4,711,875.19 : x - Step 2: Convert to fraction form
10,473,210.25/15,709,657.60 = 4,711,875.19/x - Step 3: Cross multiply
10,473,210.25x = 15,709,657.60 × 4,711,875.19 - Step 4: Simplify right side
10,473,210.25x = 74,021,945,888,834.95 - Step 5: Solve for x
x = 74,021,945,888,834.95/10,473,210.25 - Step 6: Final answer
x = 7,067,741.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.