Finding the Fourth Proportional to 42,478,029.96, 63,691,417.34 and 16,218,580.44
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Solution
The fourth proportional to 42,478,029.96, 63,691,417.34 and 16,218,580.44 is: 24,318,085.76
Step by Step Solution
- Step 1: Write the proportion equation
42,478,029.96 : 63,691,417.34 = 16,218,580.44 : x - Step 2: Convert to fraction form
42,478,029.96/63,691,417.34 = 16,218,580.44/x - Step 3: Cross multiply
42,478,029.96x = 63,691,417.34 × 16,218,580.44 - Step 4: Simplify right side
42,478,029.96x = 1,032,984,375,466,400.88 - Step 5: Solve for x
x = 1,032,984,375,466,400.88/42,478,029.96 - Step 6: Final answer
x = 24,318,085.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.