Finding the Fourth Proportional to 13,864,803.19, 19,126,981.98 and 8,971,605.28
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Solution
The fourth proportional to 13,864,803.19, 19,126,981.98 and 8,971,605.28 is: 12,376,643.95
Step by Step Solution
- Step 1: Write the proportion equation
13,864,803.19 : 19,126,981.98 = 8,971,605.28 : x - Step 2: Convert to fraction form
13,864,803.19/19,126,981.98 = 8,971,605.28/x - Step 3: Cross multiply
13,864,803.19x = 19,126,981.98 × 8,971,605.28 - Step 4: Simplify right side
13,864,803.19x = 171,599,732,522,232.84 - Step 5: Solve for x
x = 171,599,732,522,232.84/13,864,803.19 - Step 6: Final answer
x = 12,376,643.95
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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.