Finding the Fourth Proportional to 12,988,384.56, 19,483,723.80 and 3,403,725.84
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Solution
The fourth proportional to 12,988,384.56, 19,483,723.80 and 3,403,725.84 is: 5,105,889.33
Step by Step Solution
- Step 1: Write the proportion equation
12,988,384.56 : 19,483,723.80 = 3,403,725.84 : x - Step 2: Convert to fraction form
12,988,384.56/19,483,723.80 = 3,403,725.84/x - Step 3: Cross multiply
12,988,384.56x = 19,483,723.80 × 3,403,725.84 - Step 4: Simplify right side
12,988,384.56x = 66,317,254,157,482.99 - Step 5: Solve for x
x = 66,317,254,157,482.99/12,988,384.56 - Step 6: Final answer
x = 5,105,889.33
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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.