Finding the Fourth Proportional to 12,833,176.44, 19,249,779.12 and 3,248,555.28
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Solution
The fourth proportional to 12,833,176.44, 19,249,779.12 and 3,248,555.28 is: 4,872,836.58
Step by Step Solution
- Step 1: Write the proportion equation
12,833,176.44 : 19,249,779.12 = 3,248,555.28 : x - Step 2: Convert to fraction form
12,833,176.44/19,249,779.12 = 3,248,555.28/x - Step 3: Cross multiply
12,833,176.44x = 19,249,779.12 × 3,248,555.28 - Step 4: Simplify right side
12,833,176.44x = 62,533,971,599,109.75 - Step 5: Solve for x
x = 62,533,971,599,109.75/12,833,176.44 - Step 6: Final answer
x = 4,872,836.58
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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.