Finding the Fourth Proportional to 15,699,897.12, 23,558,981.40 and 6,601,335.60
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Solution
The fourth proportional to 15,699,897.12, 23,558,981.40 and 6,601,335.60 is: 9,905,844.70
Step by Step Solution
- Step 1: Write the proportion equation
15,699,897.12 : 23,558,981.40 = 6,601,335.60 : x - Step 2: Convert to fraction form
15,699,897.12/23,558,981.40 = 6,601,335.60/x - Step 3: Cross multiply
15,699,897.12x = 23,558,981.40 × 6,601,335.60 - Step 4: Simplify right side
15,699,897.12x = 155,520,742,615,557.81 - Step 5: Solve for x
x = 155,520,742,615,557.81/15,699,897.12 - Step 6: Final answer
x = 9,905,844.70
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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.