Finding the Fourth Proportional to 37,889,376.16, 56,819,955.12 and 13,621,681.12
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Solution
The fourth proportional to 37,889,376.16, 56,819,955.12 and 13,621,681.12 is: 20,427,449.28
Step by Step Solution
- Step 1: Write the proportion equation
37,889,376.16 : 56,819,955.12 = 13,621,681.12 : x - Step 2: Convert to fraction form
37,889,376.16/56,819,955.12 = 13,621,681.12/x - Step 3: Cross multiply
37,889,376.16x = 56,819,955.12 × 13,621,681.12 - Step 4: Simplify right side
37,889,376.16x = 773,983,309,897,351.25 - Step 5: Solve for x
x = 773,983,309,897,351.25/37,889,376.16 - Step 6: Final answer
x = 20,427,449.28
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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.