Finding the Fourth Proportional to 9,169,430.00, 12,654,098.06 and 5,039,385.99
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Solution
The fourth proportional to 9,169,430.00, 12,654,098.06 and 5,039,385.99 is: 6,954,509.11
Step by Step Solution
- Step 1: Write the proportion equation
9,169,430.00 : 12,654,098.06 = 5,039,385.99 : x - Step 2: Convert to fraction form
9,169,430.00/12,654,098.06 = 5,039,385.99/x - Step 3: Cross multiply
9,169,430.00x = 12,654,098.06 × 5,039,385.99 - Step 4: Simplify right side
9,169,430.00x = 63,768,884,454,453.25 - Step 5: Solve for x
x = 63,768,884,454,453.25/9,169,430.00 - Step 6: Final answer
x = 6,954,509.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.