Finding the Fourth Proportional to 15,725,878.36, 21,708,408.18 and 10,572,229
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Solution
The fourth proportional to 15,725,878.36, 21,708,408.18 and 10,572,229 is: 14,594,177.65
Step by Step Solution
- Step 1: Write the proportion equation
15,725,878.36 : 21,708,408.18 = 10,572,229 : x - Step 2: Convert to fraction form
15,725,878.36/21,708,408.18 = 10,572,229/x - Step 3: Cross multiply
15,725,878.36x = 21,708,408.18 × 10,572,229 - Step 4: Simplify right side
15,725,878.36x = 229,506,262,504,433.22 - Step 5: Solve for x
x = 229,506,262,504,433.22/15,725,878.36 - Step 6: Final answer
x = 14,594,177.65
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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.