Finding the Fourth Proportional to 19,558,129.77, 26,988,867.95 and 10,855,617.75
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Solution
The fourth proportional to 19,558,129.77, 26,988,867.95 and 10,855,617.75 is: 14,980,002.55
Step by Step Solution
- Step 1: Write the proportion equation
19,558,129.77 : 26,988,867.95 = 10,855,617.75 : x - Step 2: Convert to fraction form
19,558,129.77/26,988,867.95 = 10,855,617.75/x - Step 3: Cross multiply
19,558,129.77x = 26,988,867.95 × 10,855,617.75 - Step 4: Simplify right side
19,558,129.77x = 292,980,833,916,148 - Step 5: Solve for x
x = 292,980,833,916,148/19,558,129.77 - Step 6: Final answer
x = 14,980,002.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.