Finding the Fourth Proportional to 19,478,343.06, 26,879,129.87 and 10,657,603.44
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Solution
The fourth proportional to 19,478,343.06, 26,879,129.87 and 10,657,603.44 is: 14,706,954.59
Step by Step Solution
- Step 1: Write the proportion equation
19,478,343.06 : 26,879,129.87 = 10,657,603.44 : x - Step 2: Convert to fraction form
19,478,343.06/26,879,129.87 = 10,657,603.44/x - Step 3: Cross multiply
19,478,343.06x = 26,879,129.87 × 10,657,603.44 - Step 4: Simplify right side
19,478,343.06x = 286,467,106,966,718.75 - Step 5: Solve for x
x = 286,467,106,966,718.75/19,478,343.06 - Step 6: Final answer
x = 14,706,954.59
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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.