Finding the Fourth Proportional to 16,570,638.97, 22,868,191.25 and 9,228,472.08
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Solution
The fourth proportional to 16,570,638.97, 22,868,191.25 and 9,228,472.08 is: 12,735,686.59
Step by Step Solution
- Step 1: Write the proportion equation
16,570,638.97 : 22,868,191.25 = 9,228,472.08 : x - Step 2: Convert to fraction form
16,570,638.97/22,868,191.25 = 9,228,472.08/x - Step 3: Cross multiply
16,570,638.97x = 22,868,191.25 × 9,228,472.08 - Step 4: Simplify right side
16,570,638.97x = 211,038,464,470,725.31 - Step 5: Solve for x
x = 211,038,464,470,725.31/16,570,638.97 - Step 6: Final answer
x = 12,735,686.59
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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.