Finding the Fourth Proportional to 14,688,221.80, 22,032,332.70 and 13,692,893.80
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Solution
The fourth proportional to 14,688,221.80, 22,032,332.70 and 13,692,893.80 is: 20,539,340.70
Step by Step Solution
- Step 1: Write the proportion equation
14,688,221.80 : 22,032,332.70 = 13,692,893.80 : x - Step 2: Convert to fraction form
14,688,221.80/22,032,332.70 = 13,692,893.80/x - Step 3: Cross multiply
14,688,221.80x = 22,032,332.70 × 13,692,893.80 - Step 4: Simplify right side
14,688,221.80x = 301,686,391,827,367.25 - Step 5: Solve for x
x = 301,686,391,827,367.25/14,688,221.80 - Step 6: Final answer
x = 20,539,340.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.