Finding the Fourth Proportional to 9,742,158.77, 13,444,205.27 and 5,391,545.09
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Solution
The fourth proportional to 9,742,158.77, 13,444,205.27 and 5,391,545.09 is: 7,440,346.70
Step by Step Solution
- Step 1: Write the proportion equation
9,742,158.77 : 13,444,205.27 = 5,391,545.09 : x - Step 2: Convert to fraction form
9,742,158.77/13,444,205.27 = 5,391,545.09/x - Step 3: Cross multiply
9,742,158.77x = 13,444,205.27 × 5,391,545.09 - Step 4: Simplify right side
9,742,158.77x = 72,485,038,818,241.88 - Step 5: Solve for x
x = 72,485,038,818,241.88/9,742,158.77 - Step 6: Final answer
x = 7,440,346.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.