Finding the Fourth Proportional to 15,130,726.80, 22,696,090.20 and 7,558,861.20
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Solution
The fourth proportional to 15,130,726.80, 22,696,090.20 and 7,558,861.20 is: 11,338,291.80
Step by Step Solution
- Step 1: Write the proportion equation
15,130,726.80 : 22,696,090.20 = 7,558,861.20 : x - Step 2: Convert to fraction form
15,130,726.80/22,696,090.20 = 7,558,861.20/x - Step 3: Cross multiply
15,130,726.80x = 22,696,090.20 × 7,558,861.20 - Step 4: Simplify right side
15,130,726.80x = 171,556,595,604,480.25 - Step 5: Solve for x
x = 171,556,595,604,480.25/15,130,726.80 - Step 6: Final answer
x = 11,338,291.80
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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.