Finding the Fourth Proportional to 13,808,953.08, 19,064,519.91 and 12,276,820.13
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Solution
The fourth proportional to 13,808,953.08, 19,064,519.91 and 12,276,820.13 is: 16,949,270.55
Step by Step Solution
- Step 1: Write the proportion equation
13,808,953.08 : 19,064,519.91 = 12,276,820.13 : x - Step 2: Convert to fraction form
13,808,953.08/19,064,519.91 = 12,276,820.13/x - Step 3: Cross multiply
13,808,953.08x = 19,064,519.91 × 12,276,820.13 - Step 4: Simplify right side
13,808,953.08x = 234,051,681,704,551.19 - Step 5: Solve for x
x = 234,051,681,704,551.19/13,808,953.08 - Step 6: Final answer
x = 16,949,270.55
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1.5x scale
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.