Finding the Fourth Proportional to 8,756,831.23, 13,130,836.98 and 2,918,950.03
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Solution
The fourth proportional to 8,756,831.23, 13,130,836.98 and 2,918,950.03 is: 4,376,955.09
Step by Step Solution
- Step 1: Write the proportion equation
8,756,831.23 : 13,130,836.98 = 2,918,950.03 : x - Step 2: Convert to fraction form
8,756,831.23/13,130,836.98 = 2,918,950.03/x - Step 3: Cross multiply
8,756,831.23x = 13,130,836.98 × 2,918,950.03 - Step 4: Simplify right side
8,756,831.23x = 38,328,256,996,696.11 - Step 5: Solve for x
x = 38,328,256,996,696.11/8,756,831.23 - Step 6: Final answer
x = 4,376,955.09
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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.