Finding the Fourth Proportional to 10,402,290.45, 15,603,484.28 and 3,670,704.45
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Solution
The fourth proportional to 10,402,290.45, 15,603,484.28 and 3,670,704.45 is: 5,506,073.83
Step by Step Solution
- Step 1: Write the proportion equation
10,402,290.45 : 15,603,484.28 = 3,670,704.45 : x - Step 2: Convert to fraction form
10,402,290.45/15,603,484.28 = 3,670,704.45/x - Step 3: Cross multiply
10,402,290.45x = 15,603,484.28 × 3,670,704.45 - Step 4: Simplify right side
10,402,290.45x = 57,275,779,182,101.05 - Step 5: Solve for x
x = 57,275,779,182,101.05/10,402,290.45 - Step 6: Final answer
x = 5,506,073.83
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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.