Finding the Fourth Proportional to 16,360,965.64, 22,579,482.35 and 9,392,987.87
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Solution
The fourth proportional to 16,360,965.64, 22,579,482.35 and 9,392,987.87 is: 12,963,098.17
Step by Step Solution
- Step 1: Write the proportion equation
16,360,965.64 : 22,579,482.35 = 9,392,987.87 : x - Step 2: Convert to fraction form
16,360,965.64/22,579,482.35 = 9,392,987.87/x - Step 3: Cross multiply
16,360,965.64x = 22,579,482.35 × 9,392,987.87 - Step 4: Simplify right side
16,360,965.64x = 212,088,803,810,876.59 - Step 5: Solve for x
x = 212,088,803,810,876.59/16,360,965.64 - Step 6: Final answer
x = 12,963,098.17
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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.