Finding the Fourth Proportional to 19,031,974.66, 26,263,421.13 and 10,329,962.14
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Solution
The fourth proportional to 19,031,974.66, 26,263,421.13 and 10,329,962.14 is: 14,254,965.70
Step by Step Solution
- Step 1: Write the proportion equation
19,031,974.66 : 26,263,421.13 = 10,329,962.14 : x - Step 2: Convert to fraction form
19,031,974.66/26,263,421.13 = 10,329,962.14/x - Step 3: Cross multiply
19,031,974.66x = 26,263,421.13 × 10,329,962.14 - Step 4: Simplify right side
19,031,974.66x = 271,300,145,939,776.03 - Step 5: Solve for x
x = 271,300,145,939,776.03/19,031,974.66 - Step 6: Final answer
x = 14,254,965.70
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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.