Finding the Fourth Proportional to 31,572,226.71, 47,358,340.07 and 7,637,698.71
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Solution
The fourth proportional to 31,572,226.71, 47,358,340.07 and 7,637,698.71 is: 11,456,548.07
Step by Step Solution
- Step 1: Write the proportion equation
31,572,226.71 : 47,358,340.07 = 7,637,698.71 : x - Step 2: Convert to fraction form
31,572,226.71/47,358,340.07 = 7,637,698.71/x - Step 3: Cross multiply
31,572,226.71x = 47,358,340.07 × 7,637,698.71 - Step 4: Simplify right side
31,572,226.71x = 361,708,732,822,191.81 - Step 5: Solve for x
x = 361,708,732,822,191.81/31,572,226.71 - Step 6: Final answer
x = 11,456,548.07
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Similar ratio
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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.