Finding the Fourth Proportional to 15,209,817.80, 22,818,182.70 and 5,113,459.40
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Solution
The fourth proportional to 15,209,817.80, 22,818,182.70 and 5,113,459.40 is: 7,671,350.99
Step by Step Solution
- Step 1: Write the proportion equation
15,209,817.80 : 22,818,182.70 = 5,113,459.40 : x - Step 2: Convert to fraction form
15,209,817.80/22,818,182.70 = 5,113,459.40/x - Step 3: Cross multiply
15,209,817.80x = 22,818,182.70 × 5,113,459.40 - Step 4: Simplify right side
15,209,817.80x = 116,679,850,818,232.39 - Step 5: Solve for x
x = 116,679,850,818,232.39/15,209,817.80 - Step 6: Final answer
x = 7,671,350.99
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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.