Finding the Fourth Proportional to 9,139,024.21, 12,617,587.97 and 5,881,499.99
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Solution
The fourth proportional to 9,139,024.21, 12,617,587.97 and 5,881,499.99 is: 8,120,160.52
Step by Step Solution
- Step 1: Write the proportion equation
9,139,024.21 : 12,617,587.97 = 5,881,499.99 : x - Step 2: Convert to fraction form
9,139,024.21/12,617,587.97 = 5,881,499.99/x - Step 3: Cross multiply
9,139,024.21x = 12,617,587.97 × 5,881,499.99 - Step 4: Simplify right side
9,139,024.21x = 74,210,343,550,684.53 - Step 5: Solve for x
x = 74,210,343,550,684.53/9,139,024.21 - Step 6: Final answer
x = 8,120,160.52
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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.