Finding the Fourth Proportional to 30,742,030.99, 46,121,122.70 and 11,048,146.19
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Solution
The fourth proportional to 30,742,030.99, 46,121,122.70 and 11,048,146.19 is: 16,575,121.73
Step by Step Solution
- Step 1: Write the proportion equation
30,742,030.99 : 46,121,122.70 = 11,048,146.19 : x - Step 2: Convert to fraction form
30,742,030.99/46,121,122.70 = 11,048,146.19/x - Step 3: Cross multiply
30,742,030.99x = 46,121,122.70 × 11,048,146.19 - Step 4: Simplify right side
30,742,030.99x = 509,552,905,933,987.50 - Step 5: Solve for x
x = 509,552,905,933,987.50/30,742,030.99 - Step 6: Final answer
x = 16,575,121.73
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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.