Finding the Fourth Proportional to 19,508,781.48, 26,921,765.66 and 10,806,927.12
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Solution
The fourth proportional to 19,508,781.48, 26,921,765.66 and 10,806,927.12 is: 14,913,364.00
Step by Step Solution
- Step 1: Write the proportion equation
19,508,781.48 : 26,921,765.66 = 10,806,927.12 : x - Step 2: Convert to fraction form
19,508,781.48/26,921,765.66 = 10,806,927.12/x - Step 3: Cross multiply
19,508,781.48x = 26,921,765.66 × 10,806,927.12 - Step 4: Simplify right side
19,508,781.48x = 290,941,559,429,338.69 - Step 5: Solve for x
x = 290,941,559,429,338.69/19,508,781.48 - Step 6: Final answer
x = 14,913,364.00
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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.