Finding the Fourth Proportional to 14,591,898.90, 21,887,848.35 and 4,493,207.70
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Solution
The fourth proportional to 14,591,898.90, 21,887,848.35 and 4,493,207.70 is: 6,739,811.55
Step by Step Solution
- Step 1: Write the proportion equation
14,591,898.90 : 21,887,848.35 = 4,493,207.70 : x - Step 2: Convert to fraction form
14,591,898.90/21,887,848.35 = 4,493,207.70/x - Step 3: Cross multiply
14,591,898.90x = 21,887,848.35 × 4,493,207.70 - Step 4: Simplify right side
14,591,898.90x = 98,346,648,742,652.31 - Step 5: Solve for x
x = 98,346,648,742,652.31/14,591,898.90 - Step 6: Final answer
x = 6,739,811.55
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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.