Finding the Fourth Proportional to 14,489,746.27, 19,996,329.39 and 7,963,607.05
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Solution
The fourth proportional to 14,489,746.27, 19,996,329.39 and 7,963,607.05 is: 10,990,041.28
Step by Step Solution
- Step 1: Write the proportion equation
14,489,746.27 : 19,996,329.39 = 7,963,607.05 : x - Step 2: Convert to fraction form
14,489,746.27/19,996,329.39 = 7,963,607.05/x - Step 3: Cross multiply
14,489,746.27x = 19,996,329.39 × 7,963,607.05 - Step 4: Simplify right side
14,489,746.27x = 159,242,909,654,335.38 - Step 5: Solve for x
x = 159,242,909,654,335.38/14,489,746.27 - Step 6: Final answer
x = 10,990,041.28
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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.