Finding the Fourth Proportional to 39,216,199.80, 54,129,750.48 and 26,163,426.48
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Solution
The fourth proportional to 39,216,199.80, 54,129,750.48 and 26,163,426.48 is: 36,113,130.65
Step by Step Solution
- Step 1: Write the proportion equation
39,216,199.80 : 54,129,750.48 = 26,163,426.48 : x - Step 2: Convert to fraction form
39,216,199.80/54,129,750.48 = 26,163,426.48/x - Step 3: Cross multiply
39,216,199.80x = 54,129,750.48 × 26,163,426.48 - Step 4: Simplify right side
39,216,199.80x = 1,416,219,747,064,224.75 - Step 5: Solve for x
x = 1,416,219,747,064,224.75/39,216,199.80 - Step 6: Final answer
x = 36,113,130.65
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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.