Finding the Fourth Proportional to 39,865,627.20, 59,798,440.80 and 19,710,235.20
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Solution
The fourth proportional to 39,865,627.20, 59,798,440.80 and 19,710,235.20 is: 29,565,352.80
Step by Step Solution
- Step 1: Write the proportion equation
39,865,627.20 : 59,798,440.80 = 19,710,235.20 : x - Step 2: Convert to fraction form
39,865,627.20/59,798,440.80 = 19,710,235.20/x - Step 3: Cross multiply
39,865,627.20x = 59,798,440.80 × 19,710,235.20 - Step 4: Simplify right side
39,865,627.20x = 1,178,641,332,761,276 - Step 5: Solve for x
x = 1,178,641,332,761,276/39,865,627.20 - Step 6: Final answer
x = 29,565,352.80
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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.