Finding the Fourth Proportional to 28,593,719.35, 39,475,536.65 and 21,875,412.17
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Solution
The fourth proportional to 28,593,719.35, 39,475,536.65 and 21,875,412.17 is: 30,200,465.50
Step by Step Solution
- Step 1: Write the proportion equation
28,593,719.35 : 39,475,536.65 = 21,875,412.17 : x - Step 2: Convert to fraction form
28,593,719.35/39,475,536.65 = 21,875,412.17/x - Step 3: Cross multiply
28,593,719.35x = 39,475,536.65 × 21,875,412.17 - Step 4: Simplify right side
28,593,719.35x = 863,543,634,850,691.12 - Step 5: Solve for x
x = 863,543,634,850,691.12/28,593,719.35 - Step 6: Final answer
x = 30,200,465.50
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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.