Finding the Fourth Proportional to 26,130,726.99, 36,062,423.16 and 15,677,136.72
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Solution
The fourth proportional to 26,130,726.99, 36,062,423.16 and 15,677,136.72 is: 21,635,660.52
Step by Step Solution
- Step 1: Write the proportion equation
26,130,726.99 : 36,062,423.16 = 15,677,136.72 : x - Step 2: Convert to fraction form
26,130,726.99/36,062,423.16 = 15,677,136.72/x - Step 3: Cross multiply
26,130,726.99x = 36,062,423.16 × 15,677,136.72 - Step 4: Simplify right side
26,130,726.99x = 565,355,538,333,814.38 - Step 5: Solve for x
x = 565,355,538,333,814.38/26,130,726.99 - Step 6: Final answer
x = 21,635,660.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.