Finding the Fourth Proportional to 14,386,884.13, 19,853,668.47 and 7,860,373.48
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Solution
The fourth proportional to 14,386,884.13, 19,853,668.47 and 7,860,373.48 is: 10,847,188.85
Step by Step Solution
- Step 1: Write the proportion equation
14,386,884.13 : 19,853,668.47 = 7,860,373.48 : x - Step 2: Convert to fraction form
14,386,884.13/19,853,668.47 = 7,860,373.48/x - Step 3: Cross multiply
14,386,884.13x = 19,853,668.47 × 7,860,373.48 - Step 4: Simplify right side
14,386,884.13x = 156,057,249,122,300.19 - Step 5: Solve for x
x = 156,057,249,122,300.19/14,386,884.13 - Step 6: Final answer
x = 10,847,188.85
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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.