Finding the Fourth Proportional to 25,773,024.79, 35,564,655.30 and 15,174,729.91
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Solution
The fourth proportional to 25,773,024.79, 35,564,655.30 and 15,174,729.91 is: 20,939,879.70
Step by Step Solution
- Step 1: Write the proportion equation
25,773,024.79 : 35,564,655.30 = 15,174,729.91 : x - Step 2: Convert to fraction form
25,773,024.79/35,564,655.30 = 15,174,729.91/x - Step 3: Cross multiply
25,773,024.79x = 35,564,655.30 × 15,174,729.91 - Step 4: Simplify right side
25,773,024.79x = 539,684,038,519,750 - Step 5: Solve for x
x = 539,684,038,519,750/25,773,024.79 - Step 6: Final answer
x = 20,939,879.70
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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.