Finding the Fourth Proportional to 15,423,420.65, 23,135,129.57 and 6,787,521.09
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Solution
The fourth proportional to 15,423,420.65, 23,135,129.57 and 6,787,521.09 is: 10,181,281.02
Step by Step Solution
- Step 1: Write the proportion equation
15,423,420.65 : 23,135,129.57 = 6,787,521.09 : x - Step 2: Convert to fraction form
15,423,420.65/23,135,129.57 = 6,787,521.09/x - Step 3: Cross multiply
15,423,420.65x = 23,135,129.57 × 6,787,521.09 - Step 4: Simplify right side
15,423,420.65x = 157,030,179,842,320.03 - Step 5: Solve for x
x = 157,030,179,842,320.03/15,423,420.65 - Step 6: Final answer
x = 10,181,281.02
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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.