Finding the Fourth Proportional to 38,387,332.08, 57,580,997.04 and 12,828,340.80
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Solution
The fourth proportional to 38,387,332.08, 57,580,997.04 and 12,828,340.80 is: 19,242,510.84
Step by Step Solution
- Step 1: Write the proportion equation
38,387,332.08 : 57,580,997.04 = 12,828,340.80 : x - Step 2: Convert to fraction form
38,387,332.08/57,580,997.04 = 12,828,340.80/x - Step 3: Cross multiply
38,387,332.08x = 57,580,997.04 × 12,828,340.80 - Step 4: Simplify right side
38,387,332.08x = 738,668,653,632,911.25 - Step 5: Solve for x
x = 738,668,653,632,911.25/38,387,332.08 - Step 6: Final answer
x = 19,242,510.84
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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.