Finding the Fourth Proportional to 28,516,938.99, 39,353,386.26 and 15,464,194.45
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Solution
The fourth proportional to 28,516,938.99, 39,353,386.26 and 15,464,194.45 is: 21,340,594.01
Step by Step Solution
- Step 1: Write the proportion equation
28,516,938.99 : 39,353,386.26 = 15,464,194.45 : x - Step 2: Convert to fraction form
28,516,938.99/39,353,386.26 = 15,464,194.45/x - Step 3: Cross multiply
28,516,938.99x = 39,353,386.26 × 15,464,194.45 - Step 4: Simplify right side
28,516,938.99x = 608,568,417,390,598.25 - Step 5: Solve for x
x = 608,568,417,390,598.25/28,516,938.99 - Step 6: Final answer
x = 21,340,594.01
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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.