Finding the Fourth Proportional to 38,367,155.84, 57,554,607.60 and 12,458,373.84
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Solution
The fourth proportional to 38,367,155.84, 57,554,607.60 and 12,458,373.84 is: 18,688,818.65
Step by Step Solution
- Step 1: Write the proportion equation
38,367,155.84 : 57,554,607.60 = 12,458,373.84 : x - Step 2: Convert to fraction form
38,367,155.84/57,554,607.60 = 12,458,373.84/x - Step 3: Cross multiply
38,367,155.84x = 57,554,607.60 × 12,458,373.84 - Step 4: Simplify right side
38,367,155.84x = 717,036,817,695,305.25 - Step 5: Solve for x
x = 717,036,817,695,305.25/38,367,155.84 - Step 6: Final answer
x = 18,688,818.65
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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.