Finding the Fourth Proportional to 7,528,038.28, 11,285,709.45 and 3,264,995.59
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Solution
The fourth proportional to 7,528,038.28, 11,285,709.45 and 3,264,995.59 is: 4,894,740.20
Step by Step Solution
- Step 1: Write the proportion equation
7,528,038.28 : 11,285,709.45 = 3,264,995.59 : x - Step 2: Convert to fraction form
7,528,038.28/11,285,709.45 = 3,264,995.59/x - Step 3: Cross multiply
7,528,038.28x = 11,285,709.45 × 3,264,995.59 - Step 4: Simplify right side
7,528,038.28x = 36,847,791,584,271.32 - Step 5: Solve for x
x = 36,847,791,584,271.32/7,528,038.28 - Step 6: Final answer
x = 4,894,740.20
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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.