Finding the Fourth Proportional to 26,298,088.35, 39,447,132.53 and 7,128,814.65
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Solution
The fourth proportional to 26,298,088.35, 39,447,132.53 and 7,128,814.65 is: 10,693,221.98
Step by Step Solution
- Step 1: Write the proportion equation
26,298,088.35 : 39,447,132.53 = 7,128,814.65 : x - Step 2: Convert to fraction form
26,298,088.35/39,447,132.53 = 7,128,814.65/x - Step 3: Cross multiply
26,298,088.35x = 39,447,132.53 × 7,128,814.65 - Step 4: Simplify right side
26,298,088.35x = 281,211,296,244,711.50 - Step 5: Solve for x
x = 281,211,296,244,711.50/26,298,088.35 - Step 6: Final answer
x = 10,693,221.98
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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.