Finding the Fourth Proportional to 19,373,306.07, 26,706,461.35 and 12,402,987.15
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Solution
The fourth proportional to 19,373,306.07, 26,706,461.35 and 12,402,987.15 is: 17,097,747.58
Step by Step Solution
- Step 1: Write the proportion equation
19,373,306.07 : 26,706,461.35 = 12,402,987.15 : x - Step 2: Convert to fraction form
19,373,306.07/26,706,461.35 = 12,402,987.15/x - Step 3: Cross multiply
19,373,306.07x = 26,706,461.35 × 12,402,987.15 - Step 4: Simplify right side
19,373,306.07x = 331,239,896,946,021.69 - Step 5: Solve for x
x = 331,239,896,946,021.69/19,373,306.07 - Step 6: Final answer
x = 17,097,747.58
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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.