Finding the Fourth Proportional to 28,489,545.99, 42,733,936.26 and 6,924,085.74
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Solution
The fourth proportional to 28,489,545.99, 42,733,936.26 and 6,924,085.74 is: 10,386,035.59
Step by Step Solution
- Step 1: Write the proportion equation
28,489,545.99 : 42,733,936.26 = 6,924,085.74 : x - Step 2: Convert to fraction form
28,489,545.99/42,733,936.26 = 6,924,085.74/x - Step 3: Cross multiply
28,489,545.99x = 42,733,936.26 × 6,924,085.74 - Step 4: Simplify right side
28,489,545.99x = 295,893,438,671,934.94 - Step 5: Solve for x
x = 295,893,438,671,934.94/28,489,545.99 - Step 6: Final answer
x = 10,386,035.59
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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.