Finding the Fourth Proportional to 29,181,460.08, 40,249,529.84 and 20,481,574.08
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Solution
The fourth proportional to 29,181,460.08, 40,249,529.84 and 20,481,574.08 is: 28,249,913.64
Step by Step Solution
- Step 1: Write the proportion equation
29,181,460.08 : 40,249,529.84 = 20,481,574.08 : x - Step 2: Convert to fraction form
29,181,460.08/40,249,529.84 = 20,481,574.08/x - Step 3: Cross multiply
29,181,460.08x = 40,249,529.84 × 20,481,574.08 - Step 4: Simplify right side
29,181,460.08x = 824,373,727,103,130.50 - Step 5: Solve for x
x = 824,373,727,103,130.50/29,181,460.08 - Step 6: Final answer
x = 28,249,913.64
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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.