Finding the Fourth Proportional to 22,628,565.84, 31,230,711.84 and 12,706,562.40
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Solution
The fourth proportional to 22,628,565.84, 31,230,711.84 and 12,706,562.40 is: 17,536,904.09
Step by Step Solution
- Step 1: Write the proportion equation
22,628,565.84 : 31,230,711.84 = 12,706,562.40 : x - Step 2: Convert to fraction form
22,628,565.84/31,230,711.84 = 12,706,562.40/x - Step 3: Cross multiply
22,628,565.84x = 31,230,711.84 × 12,706,562.40 - Step 4: Simplify right side
22,628,565.84x = 396,834,988,791,378.81 - Step 5: Solve for x
x = 396,834,988,791,378.81/22,628,565.84 - Step 6: Final answer
x = 17,536,904.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.