Finding the Fourth Proportional to 16,127,987.76, 22,256,613.30 and 8,884,643.76
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Solution
The fourth proportional to 16,127,987.76, 22,256,613.30 and 8,884,643.76 is: 12,260,802.99
Step by Step Solution
- Step 1: Write the proportion equation
16,127,987.76 : 22,256,613.30 = 8,884,643.76 : x - Step 2: Convert to fraction form
16,127,987.76/22,256,613.30 = 8,884,643.76/x - Step 3: Cross multiply
16,127,987.76x = 22,256,613.30 × 8,884,643.76 - Step 4: Simplify right side
16,127,987.76x = 197,742,080,530,219.53 - Step 5: Solve for x
x = 197,742,080,530,219.53/16,127,987.76 - Step 6: Final answer
x = 12,260,802.99
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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.