Finding the Fourth Proportional to 26,430,711.63, 39,684,985.92 and 14,781,905.73
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Solution
The fourth proportional to 26,430,711.63, 39,684,985.92 and 14,781,905.73 is: 22,194,624.53
Step by Step Solution
- Step 1: Write the proportion equation
26,430,711.63 : 39,684,985.92 = 14,781,905.73 : x - Step 2: Convert to fraction form
26,430,711.63/39,684,985.92 = 14,781,905.73/x - Step 3: Cross multiply
26,430,711.63x = 39,684,985.92 × 14,781,905.73 - Step 4: Simplify right side
26,430,711.63x = 586,619,720,765,817.38 - Step 5: Solve for x
x = 586,619,720,765,817.38/26,430,711.63 - Step 6: Final answer
x = 22,194,624.53
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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.