Finding the Fourth Proportional to 15,435,697.24, 21,301,117.08 and 8,466,232.06
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Solution
The fourth proportional to 15,435,697.24, 21,301,117.08 and 8,466,232.06 is: 11,683,320.65
Step by Step Solution
- Step 1: Write the proportion equation
15,435,697.24 : 21,301,117.08 = 8,466,232.06 : x - Step 2: Convert to fraction form
15,435,697.24/21,301,117.08 = 8,466,232.06/x - Step 3: Cross multiply
15,435,697.24x = 21,301,117.08 × 8,466,232.06 - Step 4: Simplify right side
15,435,697.24x = 180,340,200,336,509.59 - Step 5: Solve for x
x = 180,340,200,336,509.59/15,435,697.24 - Step 6: Final answer
x = 11,683,320.65
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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.