Finding the Fourth Proportional to 27,716,715.35, 38,249,314.84 and 15,327,642.23
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Solution
The fourth proportional to 27,716,715.35, 38,249,314.84 and 15,327,642.23 is: 21,152,283.23
Step by Step Solution
- Step 1: Write the proportion equation
27,716,715.35 : 38,249,314.84 = 15,327,642.23 : x - Step 2: Convert to fraction form
27,716,715.35/38,249,314.84 = 15,327,642.23/x - Step 3: Cross multiply
27,716,715.35x = 38,249,314.84 × 15,327,642.23 - Step 4: Simplify right side
27,716,715.35x = 586,271,813,180,584 - Step 5: Solve for x
x = 586,271,813,180,584/27,716,715.35 - Step 6: Final answer
x = 21,152,283.23
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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.