Finding the Fourth Proportional to 29,181,471.08, 40,249,545.02 and 20,481,585.08
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Solution
The fourth proportional to 29,181,471.08, 40,249,545.02 and 20,481,585.08 is: 28,249,928.82
Step by Step Solution
- Step 1: Write the proportion equation
29,181,471.08 : 40,249,545.02 = 20,481,585.08 : x - Step 2: Convert to fraction form
29,181,471.08/40,249,545.02 = 20,481,585.08/x - Step 3: Cross multiply
29,181,471.08x = 40,249,545.02 × 20,481,585.08 - Step 4: Simplify right side
29,181,471.08x = 824,374,480,758,420.25 - Step 5: Solve for x
x = 824,374,480,758,420.25/29,181,471.08 - Step 6: Final answer
x = 28,249,928.82
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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.