Finding the Fourth Proportional to 12,735,703.80, 19,103,555.70 and 8,484,175.80
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Solution
The fourth proportional to 12,735,703.80, 19,103,555.70 and 8,484,175.80 is: 12,726,263.70
Step by Step Solution
- Step 1: Write the proportion equation
12,735,703.80 : 19,103,555.70 = 8,484,175.80 : x - Step 2: Convert to fraction form
12,735,703.80/19,103,555.70 = 8,484,175.80/x - Step 3: Cross multiply
12,735,703.80x = 19,103,555.70 × 8,484,175.80 - Step 4: Simplify right side
12,735,703.80x = 162,077,924,963,892.06 - Step 5: Solve for x
x = 162,077,924,963,892.06/12,735,703.80 - Step 6: Final answer
x = 12,726,263.70
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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.