Finding the Fourth Proportional to 48,616,643.40, 72,879,345.90 and 18,344,848.20
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Solution
The fourth proportional to 48,616,643.40, 72,879,345.90 and 18,344,848.20 is: 27,500,058.50
Step by Step Solution
- Step 1: Write the proportion equation
48,616,643.40 : 72,879,345.90 = 18,344,848.20 : x - Step 2: Convert to fraction form
48,616,643.40/72,879,345.90 = 18,344,848.20/x - Step 3: Cross multiply
48,616,643.40x = 72,879,345.90 × 18,344,848.20 - Step 4: Simplify right side
48,616,643.40x = 1,336,960,537,450,792.50 - Step 5: Solve for x
x = 1,336,960,537,450,792.50/48,616,643.40 - Step 6: Final answer
x = 27,500,058.50
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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.