Finding the Fourth Proportional to 42,704,023.66, 64,042,787.12 and 15,406,767.80
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Solution
The fourth proportional to 42,704,023.66, 64,042,787.12 and 15,406,767.80 is: 23,105,371.95
Step by Step Solution
- Step 1: Write the proportion equation
42,704,023.66 : 64,042,787.12 = 15,406,767.80 : x - Step 2: Convert to fraction form
42,704,023.66/64,042,787.12 = 15,406,767.80/x - Step 3: Cross multiply
42,704,023.66x = 64,042,787.12 × 15,406,767.80 - Step 4: Simplify right side
42,704,023.66x = 986,692,350,422,670.75 - Step 5: Solve for x
x = 986,692,350,422,670.75/42,704,023.66 - Step 6: Final answer
x = 23,105,371.95
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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.