Finding the Fourth Proportional to 26,621,918.09, 39,827,808.14 and 20,163,597.74
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Solution
The fourth proportional to 26,621,918.09, 39,827,808.14 and 20,163,597.74 is: 30,165,816.73
Step by Step Solution
- Step 1: Write the proportion equation
26,621,918.09 : 39,827,808.14 = 20,163,597.74 : x - Step 2: Convert to fraction form
26,621,918.09/39,827,808.14 = 20,163,597.74/x - Step 3: Cross multiply
26,621,918.09x = 39,827,808.14 × 20,163,597.74 - Step 4: Simplify right side
26,621,918.09x = 803,071,901,900,900.50 - Step 5: Solve for x
x = 803,071,901,900,900.50/26,621,918.09 - Step 6: Final answer
x = 30,165,816.73
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1.5x scale
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.