Finding the Fourth Proportional to 12,749,754.48, 19,130,265.98 and 6,683,035.62
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Solution
The fourth proportional to 12,749,754.48, 19,130,265.98 and 6,683,035.62 is: 10,027,506.73
Step by Step Solution
- Step 1: Write the proportion equation
12,749,754.48 : 19,130,265.98 = 6,683,035.62 : x - Step 2: Convert to fraction form
12,749,754.48/19,130,265.98 = 6,683,035.62/x - Step 3: Cross multiply
12,749,754.48x = 19,130,265.98 × 6,683,035.62 - Step 4: Simplify right side
12,749,754.48x = 127,848,248,852,055.28 - Step 5: Solve for x
x = 127,848,248,852,055.28/12,749,754.48 - Step 6: Final answer
x = 10,027,506.73
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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.