Finding the Fourth Proportional to 19,338,421.84, 26,687,035.80 and 10,637,256.48
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Solution
The fourth proportional to 19,338,421.84, 26,687,035.80 and 10,637,256.48 is: 14,679,421.46
Step by Step Solution
- Step 1: Write the proportion equation
19,338,421.84 : 26,687,035.80 = 10,637,256.48 : x - Step 2: Convert to fraction form
19,338,421.84/26,687,035.80 = 10,637,256.48/x - Step 3: Cross multiply
19,338,421.84x = 26,687,035.80 × 10,637,256.48 - Step 4: Simplify right side
19,338,421.84x = 283,876,844,495,542 - Step 5: Solve for x
x = 283,876,844,495,542/19,338,421.84 - Step 6: Final answer
x = 14,679,421.46
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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.