Finding the Fourth Proportional to 42,203,014.73, 63,303,341.11 and 13,450,875.65
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Solution
The fourth proportional to 42,203,014.73, 63,303,341.11 and 13,450,875.65 is: 20,175,937.07
Step by Step Solution
- Step 1: Write the proportion equation
42,203,014.73 : 63,303,341.11 = 13,450,875.65 : x - Step 2: Convert to fraction form
42,203,014.73/63,303,341.11 = 13,450,875.65/x - Step 3: Cross multiply
42,203,014.73x = 63,303,341.11 × 13,450,875.65 - Step 4: Simplify right side
42,203,014.73x = 851,485,369,500,143 - Step 5: Solve for x
x = 851,485,369,500,143/42,203,014.73 - Step 6: Final answer
x = 20,175,937.07
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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.