Finding the Fourth Proportional to 11,258,913.44, 15,537,049.80 and 6,363,484.40
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Solution
The fourth proportional to 11,258,913.44, 15,537,049.80 and 6,363,484.40 is: 8,781,466.75
Step by Step Solution
- Step 1: Write the proportion equation
11,258,913.44 : 15,537,049.80 = 6,363,484.40 : x - Step 2: Convert to fraction form
11,258,913.44/15,537,049.80 = 6,363,484.40/x - Step 3: Cross multiply
11,258,913.44x = 15,537,049.80 × 6,363,484.40 - Step 4: Simplify right side
11,258,913.44x = 98,869,774,024,323.12 - Step 5: Solve for x
x = 98,869,774,024,323.12/11,258,913.44 - Step 6: Final answer
x = 8,781,466.75
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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.