Finding the Fourth Proportional to 22,660,053.53, 31,270,878.35 and 12,346,776.63
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Solution
The fourth proportional to 22,660,053.53, 31,270,878.35 and 12,346,776.63 is: 17,038,554.19
Step by Step Solution
- Step 1: Write the proportion equation
22,660,053.53 : 31,270,878.35 = 12,346,776.63 : x - Step 2: Convert to fraction form
22,660,053.53/31,270,878.35 = 12,346,776.63/x - Step 3: Cross multiply
22,660,053.53x = 31,270,878.35 × 12,346,776.63 - Step 4: Simplify right side
22,660,053.53x = 386,094,549,949,619.06 - Step 5: Solve for x
x = 386,094,549,949,619.06/22,660,053.53 - Step 6: Final answer
x = 17,038,554.19
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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.