Finding the Fourth Proportional to 19,739,711.40, 29,609,567.10 and 14,956,742.40
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Solution
The fourth proportional to 19,739,711.40, 29,609,567.10 and 14,956,742.40 is: 22,435,113.60
Step by Step Solution
- Step 1: Write the proportion equation
19,739,711.40 : 29,609,567.10 = 14,956,742.40 : x - Step 2: Convert to fraction form
19,739,711.40/29,609,567.10 = 14,956,742.40/x - Step 3: Cross multiply
19,739,711.40x = 29,609,567.10 × 14,956,742.40 - Step 4: Simplify right side
19,739,711.40x = 442,862,667,690,215.06 - Step 5: Solve for x
x = 442,862,667,690,215.06/19,739,711.40 - Step 6: Final answer
x = 22,435,113.60
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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.