Finding the Fourth Proportional to 27,864,681.41, 38,449,778.37 and 15,473,090.18
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Solution
The fourth proportional to 27,864,681.41, 38,449,778.37 and 15,473,090.18 is: 21,350,930.93
Step by Step Solution
- Step 1: Write the proportion equation
27,864,681.41 : 38,449,778.37 = 15,473,090.18 : x - Step 2: Convert to fraction form
27,864,681.41/38,449,778.37 = 15,473,090.18/x - Step 3: Cross multiply
27,864,681.41x = 38,449,778.37 × 15,473,090.18 - Step 4: Simplify right side
27,864,681.41x = 594,936,888,120,023.38 - Step 5: Solve for x
x = 594,936,888,120,023.38/27,864,681.41 - Step 6: Final answer
x = 21,350,930.93
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1.5x scale
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.