Finding the Fourth Proportional to 23,329,743.20, 34,984,117.20 and 8,948,031.20
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Solution
The fourth proportional to 23,329,743.20, 34,984,117.20 and 8,948,031.20 is: 13,418,020.49
Step by Step Solution
- Step 1: Write the proportion equation
23,329,743.20 : 34,984,117.20 = 8,948,031.20 : x - Step 2: Convert to fraction form
23,329,743.20/34,984,117.20 = 8,948,031.20/x - Step 3: Cross multiply
23,329,743.20x = 34,984,117.20 × 8,948,031.20 - Step 4: Simplify right side
23,329,743.20x = 313,038,972,210,056.62 - Step 5: Solve for x
x = 313,038,972,210,056.62/23,329,743.20 - Step 6: Final answer
x = 13,418,020.49
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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.