Finding the Fourth Proportional to 15,745,078.90, 23,617,618.35 and 6,657,437.80
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Solution
The fourth proportional to 15,745,078.90, 23,617,618.35 and 6,657,437.80 is: 9,986,156.70
Step by Step Solution
- Step 1: Write the proportion equation
15,745,078.90 : 23,617,618.35 = 6,657,437.80 : x - Step 2: Convert to fraction form
15,745,078.90/23,617,618.35 = 6,657,437.80/x - Step 3: Cross multiply
15,745,078.90x = 23,617,618.35 × 6,657,437.80 - Step 4: Simplify right side
15,745,078.90x = 157,232,825,149,263.62 - Step 5: Solve for x
x = 157,232,825,149,263.62/15,745,078.90 - Step 6: Final answer
x = 9,986,156.70
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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.