Finding the Fourth Proportional to 6,787,439.60, 10,181,159.40 and 6,102,471.20
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Solution
The fourth proportional to 6,787,439.60, 10,181,159.40 and 6,102,471.20 is: 9,153,706.80
Step by Step Solution
- Step 1: Write the proportion equation
6,787,439.60 : 10,181,159.40 = 6,102,471.20 : x - Step 2: Convert to fraction form
6,787,439.60/10,181,159.40 = 6,102,471.20/x - Step 3: Cross multiply
6,787,439.60x = 10,181,159.40 × 6,102,471.20 - Step 4: Simplify right side
6,787,439.60x = 62,130,232,021,109.28 - Step 5: Solve for x
x = 62,130,232,021,109.28/6,787,439.60 - Step 6: Final answer
x = 9,153,706.80
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1.5x scale
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.