Finding the Fourth Proportional to 14,221,580.68, 19,625,633.80 and 7,695,066.03
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Solution
The fourth proportional to 14,221,580.68, 19,625,633.80 and 7,695,066.03 is: 10,619,111.29
Step by Step Solution
- Step 1: Write the proportion equation
14,221,580.68 : 19,625,633.80 = 7,695,066.03 : x - Step 2: Convert to fraction form
14,221,580.68/19,625,633.80 = 7,695,066.03/x - Step 3: Cross multiply
14,221,580.68x = 19,625,633.80 × 7,695,066.03 - Step 4: Simplify right side
14,221,580.68x = 151,020,547,971,599.81 - Step 5: Solve for x
x = 151,020,547,971,599.81/14,221,580.68 - Step 6: Final answer
x = 10,619,111.29
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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.