Finding the Fourth Proportional to 13,801,547.76, 19,046,209.76 and 7,920,712.99
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Solution
The fourth proportional to 13,801,547.76, 19,046,209.76 and 7,920,712.99 is: 10,930,626.31
Step by Step Solution
- Step 1: Write the proportion equation
13,801,547.76 : 19,046,209.76 = 7,920,712.99 : x - Step 2: Convert to fraction form
13,801,547.76/19,046,209.76 = 7,920,712.99/x - Step 3: Cross multiply
13,801,547.76x = 19,046,209.76 × 7,920,712.99 - Step 4: Simplify right side
13,801,547.76x = 150,859,561,056,296.81 - Step 5: Solve for x
x = 150,859,561,056,296.81/13,801,547.76 - Step 6: Final answer
x = 10,930,626.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.