Finding the Fourth Proportional to 42,303,637.80, 63,460,122.30 and 13,544,879.40
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Solution
The fourth proportional to 42,303,637.80, 63,460,122.30 and 13,544,879.40 is: 20,318,812.94
Step by Step Solution
- Step 1: Write the proportion equation
42,303,637.80 : 63,460,122.30 = 13,544,879.40 : x - Step 2: Convert to fraction form
42,303,637.80/63,460,122.30 = 13,544,879.40/x - Step 3: Cross multiply
42,303,637.80x = 63,460,122.30 × 13,544,879.40 - Step 4: Simplify right side
42,303,637.80x = 859,559,703,262,750.62 - Step 5: Solve for x
x = 859,559,703,262,750.62/42,303,637.80 - Step 6: Final answer
x = 20,318,812.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.