Finding the Fourth Proportional to 44,292,448.80, 66,448,004.40 and 18,720,295.20
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Solution
The fourth proportional to 44,292,448.80, 66,448,004.40 and 18,720,295.20 is: 28,084,386.65
Step by Step Solution
- Step 1: Write the proportion equation
44,292,448.80 : 66,448,004.40 = 18,720,295.20 : x - Step 2: Convert to fraction form
44,292,448.80/66,448,004.40 = 18,720,295.20/x - Step 3: Cross multiply
44,292,448.80x = 66,448,004.40 × 18,720,295.20 - Step 4: Simplify right side
44,292,448.80x = 1,243,926,257,818,898.75 - Step 5: Solve for x
x = 1,243,926,257,818,898.75/44,292,448.80 - Step 6: Final answer
x = 28,084,386.65
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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.