Finding the Fourth Proportional to 15,138,485.55, 22,711,205.66 and 4,355,875.71
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Solution
The fourth proportional to 15,138,485.55, 22,711,205.66 and 4,355,875.71 is: 6,534,814.12
Step by Step Solution
- Step 1: Write the proportion equation
15,138,485.55 : 22,711,205.66 = 4,355,875.71 : x - Step 2: Convert to fraction form
15,138,485.55/22,711,205.66 = 4,355,875.71/x - Step 3: Cross multiply
15,138,485.55x = 22,711,205.66 × 4,355,875.71 - Step 4: Simplify right side
15,138,485.55x = 98,927,189,057,429.14 - Step 5: Solve for x
x = 98,927,189,057,429.14/15,138,485.55 - Step 6: Final answer
x = 6,534,814.12
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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.