Finding the Fourth Proportional to 15,462,572.13, 21,337,764.95 and 8,587,497.06
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Solution
The fourth proportional to 15,462,572.13, 21,337,764.95 and 8,587,497.06 is: 11,850,421.27
Step by Step Solution
- Step 1: Write the proportion equation
15,462,572.13 : 21,337,764.95 = 8,587,497.06 : x - Step 2: Convert to fraction form
15,462,572.13/21,337,764.95 = 8,587,497.06/x - Step 3: Cross multiply
15,462,572.13x = 21,337,764.95 × 8,587,497.06 - Step 4: Simplify right side
15,462,572.13x = 183,237,993,668,407.22 - Step 5: Solve for x
x = 183,237,993,668,407.22/15,462,572.13 - Step 6: Final answer
x = 11,850,421.27
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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.