Finding the Fourth Proportional to 16,313,461.21, 22,513,154.19 and 8,971,862.59
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Solution
The fourth proportional to 16,313,461.21, 22,513,154.19 and 8,971,862.59 is: 12,381,488.10
Step by Step Solution
- Step 1: Write the proportion equation
16,313,461.21 : 22,513,154.19 = 8,971,862.59 : x - Step 2: Convert to fraction form
16,313,461.21/22,513,154.19 = 8,971,862.59/x - Step 3: Cross multiply
16,313,461.21x = 22,513,154.19 × 8,971,862.59 - Step 4: Simplify right side
16,313,461.21x = 201,984,925,803,879.88 - Step 5: Solve for x
x = 201,984,925,803,879.88/16,313,461.21 - Step 6: Final answer
x = 12,381,488.10
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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.