Finding the Fourth Proportional to 46,681,436.18, 64,360,485.57 and 38,277,840.84
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Solution
The fourth proportional to 46,681,436.18, 64,360,485.57 and 38,277,840.84 is: 52,774,306.55
Step by Step Solution
- Step 1: Write the proportion equation
46,681,436.18 : 64,360,485.57 = 38,277,840.84 : x - Step 2: Convert to fraction form
46,681,436.18/64,360,485.57 = 38,277,840.84/x - Step 3: Cross multiply
46,681,436.18x = 64,360,485.57 × 38,277,840.84 - Step 4: Simplify right side
46,681,436.18x = 2,463,580,422,828,206 - Step 5: Solve for x
x = 2,463,580,422,828,206/46,681,436.18 - Step 6: Final answer
x = 52,774,306.55
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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.