Finding the Fourth Proportional to 51,113,843.68, 70,539,959.76 and 27,911,123.68
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Solution
The fourth proportional to 51,113,843.68, 70,539,959.76 and 27,911,123.68 is: 38,518,909.94
Step by Step Solution
- Step 1: Write the proportion equation
51,113,843.68 : 70,539,959.76 = 27,911,123.68 : x - Step 2: Convert to fraction form
51,113,843.68/70,539,959.76 = 27,911,123.68/x - Step 3: Cross multiply
51,113,843.68x = 70,539,959.76 × 27,911,123.68 - Step 4: Simplify right side
51,113,843.68x = 1,968,849,541,243,583.25 - Step 5: Solve for x
x = 1,968,849,541,243,583.25/51,113,843.68 - Step 6: Final answer
x = 38,518,909.94
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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.