Finding the Fourth Proportional to 7,288,283.16, 10,931,303.28 and 2,430,675.12
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Solution
The fourth proportional to 7,288,283.16, 10,931,303.28 and 2,430,675.12 is: 3,645,638.67
Step by Step Solution
- Step 1: Write the proportion equation
7,288,283.16 : 10,931,303.28 = 2,430,675.12 : x - Step 2: Convert to fraction form
7,288,283.16/10,931,303.28 = 2,430,675.12/x - Step 3: Cross multiply
7,288,283.16x = 10,931,303.28 × 2,430,675.12 - Step 4: Simplify right side
7,288,283.16x = 26,570,446,911,870.39 - Step 5: Solve for x
x = 26,570,446,911,870.39/7,288,283.16 - Step 6: Final answer
x = 3,645,638.67
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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.