Finding the Fourth Proportional to 13,798,335.91, 19,040,402.53 and 8,139,547.13
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Solution
The fourth proportional to 13,798,335.91, 19,040,402.53 and 8,139,547.13 is: 11,231,807.56
Step by Step Solution
- Step 1: Write the proportion equation
13,798,335.91 : 19,040,402.53 = 8,139,547.13 : x - Step 2: Convert to fraction form
13,798,335.91/19,040,402.53 = 8,139,547.13/x - Step 3: Cross multiply
13,798,335.91x = 19,040,402.53 × 8,139,547.13 - Step 4: Simplify right side
13,798,335.91x = 154,980,253,666,177.22 - Step 5: Solve for x
x = 154,980,253,666,177.22/13,798,335.91 - Step 6: Final answer
x = 11,231,807.56
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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.