Finding the Fourth Proportional to 10,239,319.71, 14,129,057.34 and 5,655,367.71
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Solution
The fourth proportional to 10,239,319.71, 14,129,057.34 and 5,655,367.71 is: 7,803,742.53
Step by Step Solution
- Step 1: Write the proportion equation
10,239,319.71 : 14,129,057.34 = 5,655,367.71 : x - Step 2: Convert to fraction form
10,239,319.71/14,129,057.34 = 5,655,367.71/x - Step 3: Cross multiply
10,239,319.71x = 14,129,057.34 × 5,655,367.71 - Step 4: Simplify right side
10,239,319.71x = 79,905,014,653,374.48 - Step 5: Solve for x
x = 79,905,014,653,374.48/10,239,319.71 - Step 6: Final answer
x = 7,803,742.53
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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.