Finding the Fourth Proportional to 19,854,248.20, 29,781,395.69 and 6,207,466.21
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Solution
The fourth proportional to 19,854,248.20, 29,781,395.69 and 6,207,466.21 is: 9,311,206.62
Step by Step Solution
- Step 1: Write the proportion equation
19,854,248.20 : 29,781,395.69 = 6,207,466.21 : x - Step 2: Convert to fraction form
19,854,248.20/29,781,395.69 = 6,207,466.21/x - Step 3: Cross multiply
19,854,248.20x = 29,781,395.69 × 6,207,466.21 - Step 4: Simplify right side
19,854,248.20x = 184,867,007,326,823.78 - Step 5: Solve for x
x = 184,867,007,326,823.78/19,854,248.20 - Step 6: Final answer
x = 9,311,206.62
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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.