Finding the Fourth Proportional to 19,031,421.18, 26,262,657.59 and 10,329,406.95
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Solution
The fourth proportional to 19,031,421.18, 26,262,657.59 and 10,329,406.95 is: 14,254,199.69
Step by Step Solution
- Step 1: Write the proportion equation
19,031,421.18 : 26,262,657.59 = 10,329,406.95 : x - Step 2: Convert to fraction form
19,031,421.18/26,262,657.59 = 10,329,406.95/x - Step 3: Cross multiply
19,031,421.18x = 26,262,657.59 × 10,329,406.95 - Step 4: Simplify right side
19,031,421.18x = 271,277,677,835,616.22 - Step 5: Solve for x
x = 271,277,677,835,616.22/19,031,421.18 - Step 6: Final answer
x = 14,254,199.69
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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.