Finding the Fourth Proportional to 19,671,287.06, 27,151,242.10 and 13,402,188.68
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Solution
The fourth proportional to 19,671,287.06, 27,151,242.10 and 13,402,188.68 is: 18,498,335.60
Step by Step Solution
- Step 1: Write the proportion equation
19,671,287.06 : 27,151,242.10 = 13,402,188.68 : x - Step 2: Convert to fraction form
19,671,287.06/27,151,242.10 = 13,402,188.68/x - Step 3: Cross multiply
19,671,287.06x = 27,151,242.10 × 13,402,188.68 - Step 4: Simplify right side
19,671,287.06x = 363,886,069,579,410.75 - Step 5: Solve for x
x = 363,886,069,579,410.75/19,671,287.06 - Step 6: Final answer
x = 18,498,335.60
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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.