Finding the Fourth Proportional to 26,742,655.71, 40,115,689.43 and 7,574,891.04
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Solution
The fourth proportional to 26,742,655.71, 40,115,689.43 and 7,574,891.04 is: 11,362,819.75
Step by Step Solution
- Step 1: Write the proportion equation
26,742,655.71 : 40,115,689.43 = 7,574,891.04 : x - Step 2: Convert to fraction form
26,742,655.71/40,115,689.43 = 7,574,891.04/x - Step 3: Cross multiply
26,742,655.71x = 40,115,689.43 × 7,574,891.04 - Step 4: Simplify right side
26,742,655.71x = 303,871,976,388,855.25 - Step 5: Solve for x
x = 303,871,976,388,855.25/26,742,655.71 - Step 6: Final answer
x = 11,362,819.75
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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.