Finding the Fourth Proportional to 42,735,259.36, 64,102,329.12 and 10,387,067.92
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Solution
The fourth proportional to 42,735,259.36, 64,102,329.12 and 10,387,067.92 is: 15,580,465.79
Step by Step Solution
- Step 1: Write the proportion equation
42,735,259.36 : 64,102,329.12 = 10,387,067.92 : x - Step 2: Convert to fraction form
42,735,259.36/64,102,329.12 = 10,387,067.92/x - Step 3: Cross multiply
42,735,259.36x = 64,102,329.12 × 10,387,067.92 - Step 4: Simplify right side
42,735,259.36x = 665,835,246,399,633.75 - Step 5: Solve for x
x = 665,835,246,399,633.75/42,735,259.36 - Step 6: Final answer
x = 15,580,465.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.