Finding the Fourth Proportional to 19,346,248.80, 26,697,272.88 and 10,644,427.36
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Solution
The fourth proportional to 19,346,248.80, 26,697,272.88 and 10,644,427.36 is: 14,689,006.89
Step by Step Solution
- Step 1: Write the proportion equation
19,346,248.80 : 26,697,272.88 = 10,644,427.36 : x - Step 2: Convert to fraction form
19,346,248.80/26,697,272.88 = 10,644,427.36/x - Step 3: Cross multiply
19,346,248.80x = 26,697,272.88 × 10,644,427.36 - Step 4: Simplify right side
19,346,248.80x = 284,177,181,881,258 - Step 5: Solve for x
x = 284,177,181,881,258/19,346,248.80 - Step 6: Final answer
x = 14,689,006.89
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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.