Finding the Fourth Proportional to 34,695,257.12, 47,879,455.14 and 19,225,341.76
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Solution
The fourth proportional to 34,695,257.12, 47,879,455.14 and 19,225,341.76 is: 26,530,971.80
Step by Step Solution
- Step 1: Write the proportion equation
34,695,257.12 : 47,879,455.14 = 19,225,341.76 : x - Step 2: Convert to fraction form
34,695,257.12/47,879,455.14 = 19,225,341.76/x - Step 3: Cross multiply
34,695,257.12x = 47,879,455.14 × 19,225,341.76 - Step 4: Simplify right side
34,695,257.12x = 920,498,888,181,786.25 - Step 5: Solve for x
x = 920,498,888,181,786.25/34,695,257.12 - Step 6: Final answer
x = 26,530,971.80
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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.