Finding the Fourth Proportional to 12,614,901.59, 17,408,576.40 and 6,813,683.23
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Solution
The fourth proportional to 12,614,901.59, 17,408,576.40 and 6,813,683.23 is: 9,402,889.45
Step by Step Solution
- Step 1: Write the proportion equation
12,614,901.59 : 17,408,576.40 = 6,813,683.23 : x - Step 2: Convert to fraction form
12,614,901.59/17,408,576.40 = 6,813,683.23/x - Step 3: Cross multiply
12,614,901.59x = 17,408,576.40 × 6,813,683.23 - Step 4: Simplify right side
12,614,901.59x = 118,616,525,074,853.77 - Step 5: Solve for x
x = 118,616,525,074,853.77/12,614,901.59 - Step 6: Final answer
x = 9,402,889.45
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1.5x scale
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.