Finding the Fourth Proportional to 51,774,587.64, 71,450,449.40 and 28,254,642.99
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Solution
The fourth proportional to 51,774,587.64, 71,450,449.40 and 28,254,642.99 is: 38,992,235.98
Step by Step Solution
- Step 1: Write the proportion equation
51,774,587.64 : 71,450,449.40 = 28,254,642.99 : x - Step 2: Convert to fraction form
51,774,587.64/71,450,449.40 = 28,254,642.99/x - Step 3: Cross multiply
51,774,587.64x = 71,450,449.40 × 28,254,642.99 - Step 4: Simplify right side
51,774,587.64x = 2,018,806,938,914,807.50 - Step 5: Solve for x
x = 2,018,806,938,914,807.50/51,774,587.64 - Step 6: Final answer
x = 38,992,235.98
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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.