Finding the Fourth Proportional to 10,955,017.80, 16,432,526.70 and 2,867,977.80
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Solution
The fourth proportional to 10,955,017.80, 16,432,526.70 and 2,867,977.80 is: 4,301,966.70
Step by Step Solution
- Step 1: Write the proportion equation
10,955,017.80 : 16,432,526.70 = 2,867,977.80 : x - Step 2: Convert to fraction form
10,955,017.80/16,432,526.70 = 2,867,977.80/x - Step 3: Cross multiply
10,955,017.80x = 16,432,526.70 × 2,867,977.80 - Step 4: Simplify right side
10,955,017.80x = 47,128,121,773,507.26 - Step 5: Solve for x
x = 47,128,121,773,507.26/10,955,017.80 - Step 6: Final answer
x = 4,301,966.70
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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.