Finding the Fourth Proportional to 26,879,159.76, 40,307,529.20 and 8,430,351.54
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Solution
The fourth proportional to 26,879,159.76, 40,307,529.20 and 8,430,351.54 is: 12,642,011.28
Step by Step Solution
- Step 1: Write the proportion equation
26,879,159.76 : 40,307,529.20 = 8,430,351.54 : x - Step 2: Convert to fraction form
26,879,159.76/40,307,529.20 = 8,430,351.54/x - Step 3: Cross multiply
26,879,159.76x = 40,307,529.20 × 8,430,351.54 - Step 4: Simplify right side
26,879,159.76x = 339,806,640,864,814.94 - Step 5: Solve for x
x = 339,806,640,864,814.94/26,879,159.76 - Step 6: Final answer
x = 12,642,011.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.