Finding the Fourth Proportional to 16,963,031.60, 25,444,430.64 and 6,865,506.80
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Solution
The fourth proportional to 16,963,031.60, 25,444,430.64 and 6,865,506.80 is: 10,298,212.94
Step by Step Solution
- Step 1: Write the proportion equation
16,963,031.60 : 25,444,430.64 = 6,865,506.80 : x - Step 2: Convert to fraction form
16,963,031.60/25,444,430.64 = 6,865,506.80/x - Step 3: Cross multiply
16,963,031.60x = 25,444,430.64 × 6,865,506.80 - Step 4: Simplify right side
16,963,031.60x = 174,688,911,581,048.34 - Step 5: Solve for x
x = 174,688,911,581,048.34/16,963,031.60 - Step 6: Final answer
x = 10,298,212.94
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1.5x scale
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.