Finding the Fourth Proportional to 31,766,331.04, 47,631,417.84 and 21,681,170.08
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Solution
The fourth proportional to 31,766,331.04, 47,631,417.84 and 21,681,170.08 is: 32,509,416.02
Step by Step Solution
- Step 1: Write the proportion equation
31,766,331.04 : 47,631,417.84 = 21,681,170.08 : x - Step 2: Convert to fraction form
31,766,331.04/47,631,417.84 = 21,681,170.08/x - Step 3: Cross multiply
31,766,331.04x = 47,631,417.84 × 21,681,170.08 - Step 4: Simplify right side
31,766,331.04x = 1,032,704,871,340,586.25 - Step 5: Solve for x
x = 1,032,704,871,340,586.25/31,766,331.04 - Step 6: Final answer
x = 32,509,416.02
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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.