Finding the Fourth Proportional to 28,827,686.04, 43,232,631.06 and 8,358,914.40
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Solution
The fourth proportional to 28,827,686.04, 43,232,631.06 and 8,358,914.40 is: 12,535,791.52
Step by Step Solution
- Step 1: Write the proportion equation
28,827,686.04 : 43,232,631.06 = 8,358,914.40 : x - Step 2: Convert to fraction form
28,827,686.04/43,232,631.06 = 8,358,914.40/x - Step 3: Cross multiply
28,827,686.04x = 43,232,631.06 × 8,358,914.40 - Step 4: Simplify right side
28,827,686.04x = 361,377,862,317,321.31 - Step 5: Solve for x
x = 361,377,862,317,321.31/28,827,686.04 - Step 6: Final answer
x = 12,535,791.52
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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.