Finding the Fourth Proportional to 26,048,878.32, 39,078,960.12 and 7,851,551.28
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Solution
The fourth proportional to 26,048,878.32, 39,078,960.12 and 7,851,551.28 is: 11,779,027.70
Step by Step Solution
- Step 1: Write the proportion equation
26,048,878.32 : 39,078,960.12 = 7,851,551.28 : x - Step 2: Convert to fraction form
26,048,878.32/39,078,960.12 = 7,851,551.28/x - Step 3: Cross multiply
26,048,878.32x = 39,078,960.12 × 7,851,551.28 - Step 4: Simplify right side
26,048,878.32x = 306,830,459,351,254.94 - Step 5: Solve for x
x = 306,830,459,351,254.94/26,048,878.32 - Step 6: Final answer
x = 11,779,027.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.