Finding the Fourth Proportional to 26,221,457.60, 36,185,763.12 and 14,619,743.36
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Solution
The fourth proportional to 26,221,457.60, 36,185,763.12 and 14,619,743.36 is: 20,175,330.38
Step by Step Solution
- Step 1: Write the proportion equation
26,221,457.60 : 36,185,763.12 = 14,619,743.36 : x - Step 2: Convert to fraction form
26,221,457.60/36,185,763.12 = 14,619,743.36/x - Step 3: Cross multiply
26,221,457.60x = 36,185,763.12 × 14,619,743.36 - Step 4: Simplify right side
26,221,457.60x = 529,026,570,100,152.81 - Step 5: Solve for x
x = 529,026,570,100,152.81/26,221,457.60 - Step 6: Final answer
x = 20,175,330.38
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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.