Finding the Fourth Proportional to 19,892,210.18, 29,838,316.54 and 5,515,278.26
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Solution
The fourth proportional to 19,892,210.18, 29,838,316.54 and 5,515,278.26 is: 8,272,917.74
Step by Step Solution
- Step 1: Write the proportion equation
19,892,210.18 : 29,838,316.54 = 5,515,278.26 : x - Step 2: Convert to fraction form
19,892,210.18/29,838,316.54 = 5,515,278.26/x - Step 3: Cross multiply
19,892,210.18x = 29,838,316.54 × 5,515,278.26 - Step 4: Simplify right side
19,892,210.18x = 164,566,618,528,060.41 - Step 5: Solve for x
x = 164,566,618,528,060.41/19,892,210.18 - Step 6: Final answer
x = 8,272,917.74
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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.