Finding the Fourth Proportional to 28,643,237.01, 42,963,690.33 and 7,077,295.62
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Solution
The fourth proportional to 28,643,237.01, 42,963,690.33 and 7,077,295.62 is: 10,615,655.53
Step by Step Solution
- Step 1: Write the proportion equation
28,643,237.01 : 42,963,690.33 = 7,077,295.62 : x - Step 2: Convert to fraction form
28,643,237.01/42,963,690.33 = 7,077,295.62/x - Step 3: Cross multiply
28,643,237.01x = 42,963,690.33 × 7,077,295.62 - Step 4: Simplify right side
28,643,237.01x = 304,066,737,391,545.38 - Step 5: Solve for x
x = 304,066,737,391,545.38/28,643,237.01 - Step 6: Final answer
x = 10,615,655.53
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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.