Finding the Fourth Proportional to 26,574,901.80, 39,862,352.70 and 6,380,143.80
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Solution
The fourth proportional to 26,574,901.80, 39,862,352.70 and 6,380,143.80 is: 9,570,215.70
Step by Step Solution
- Step 1: Write the proportion equation
26,574,901.80 : 39,862,352.70 = 6,380,143.80 : x - Step 2: Convert to fraction form
26,574,901.80/39,862,352.70 = 6,380,143.80/x - Step 3: Cross multiply
26,574,901.80x = 39,862,352.70 × 6,380,143.80 - Step 4: Simplify right side
26,574,901.80x = 254,327,542,432,318.28 - Step 5: Solve for x
x = 254,327,542,432,318.28/26,574,901.80 - Step 6: Final answer
x = 9,570,215.70
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1.5x scale
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.