Finding the Fourth Proportional to 16,407,759.18, 22,577,360.35 and 15,908,536.79
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Solution
The fourth proportional to 16,407,759.18, 22,577,360.35 and 15,908,536.79 is: 21,890,421.71
Step by Step Solution
- Step 1: Write the proportion equation
16,407,759.18 : 22,577,360.35 = 15,908,536.79 : x - Step 2: Convert to fraction form
16,407,759.18/22,577,360.35 = 15,908,536.79/x - Step 3: Cross multiply
16,407,759.18x = 22,577,360.35 × 15,908,536.79 - Step 4: Simplify right side
16,407,759.18x = 359,172,767,820,701.19 - Step 5: Solve for x
x = 359,172,767,820,701.19/16,407,759.18 - Step 6: Final answer
x = 21,890,421.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.