Finding the Fourth Proportional to 37,778,631.44, 52,130,491.56 and 21,258,468.08
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Solution
The fourth proportional to 37,778,631.44, 52,130,491.56 and 21,258,468.08 is: 29,334,423.95
Step by Step Solution
- Step 1: Write the proportion equation
37,778,631.44 : 52,130,491.56 = 21,258,468.08 : x - Step 2: Convert to fraction form
37,778,631.44/52,130,491.56 = 21,258,468.08/x - Step 3: Cross multiply
37,778,631.44x = 52,130,491.56 × 21,258,468.08 - Step 4: Simplify right side
37,778,631.44x = 1,108,214,390,822,969.38 - Step 5: Solve for x
x = 1,108,214,390,822,969.38/37,778,631.44 - Step 6: Final answer
x = 29,334,423.95
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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.