Finding the Fourth Proportional to 26,502,419.60, 39,732,634.20 and 14,535,155.60
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Solution
The fourth proportional to 26,502,419.60, 39,732,634.20 and 14,535,155.60 is: 21,791,218.66
Step by Step Solution
- Step 1: Write the proportion equation
26,502,419.60 : 39,732,634.20 = 14,535,155.60 : x - Step 2: Convert to fraction form
26,502,419.60/39,732,634.20 = 14,535,155.60/x - Step 3: Cross multiply
26,502,419.60x = 39,732,634.20 × 14,535,155.60 - Step 4: Simplify right side
26,502,419.60x = 577,520,020,494,881.50 - Step 5: Solve for x
x = 577,520,020,494,881.50/26,502,419.60 - Step 6: Final answer
x = 21,791,218.66
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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.