Finding the Fourth Proportional to 19,963,048.40, 29,888,585.40 and 19,403,176.40
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Solution
The fourth proportional to 19,963,048.40, 29,888,585.40 and 19,403,176.40 is: 29,050,347.58
Step by Step Solution
- Step 1: Write the proportion equation
19,963,048.40 : 29,888,585.40 = 19,403,176.40 : x - Step 2: Convert to fraction form
19,963,048.40/29,888,585.40 = 19,403,176.40/x - Step 3: Cross multiply
19,963,048.40x = 29,888,585.40 × 19,403,176.40 - Step 4: Simplify right side
19,963,048.40x = 579,933,494,862,664.50 - Step 5: Solve for x
x = 579,933,494,862,664.50/19,963,048.40 - Step 6: Final answer
x = 29,050,347.58
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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.