Finding the Fourth Proportional to 19,683,529.30, 29,525,293.95 and 16,943,655.70
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Solution
The fourth proportional to 19,683,529.30, 29,525,293.95 and 16,943,655.70 is: 25,415,483.55
Step by Step Solution
- Step 1: Write the proportion equation
19,683,529.30 : 29,525,293.95 = 16,943,655.70 : x - Step 2: Convert to fraction form
19,683,529.30/29,525,293.95 = 16,943,655.70/x - Step 3: Cross multiply
19,683,529.30x = 29,525,293.95 × 16,943,655.70 - Step 4: Simplify right side
19,683,529.30x = 500,266,415,130,093 - Step 5: Solve for x
x = 500,266,415,130,093/19,683,529.30 - Step 6: Final answer
x = 25,415,483.55
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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.