Finding the Fourth Proportional to 40,919,202.40, 56,464,479.12 and 22,583,303.68
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Solution
The fourth proportional to 40,919,202.40, 56,464,479.12 and 22,583,303.68 is: 31,162,740.33
Step by Step Solution
- Step 1: Write the proportion equation
40,919,202.40 : 56,464,479.12 = 22,583,303.68 : x - Step 2: Convert to fraction form
40,919,202.40/56,464,479.12 = 22,583,303.68/x - Step 3: Cross multiply
40,919,202.40x = 56,464,479.12 × 22,583,303.68 - Step 4: Simplify right side
40,919,202.40x = 1,275,154,479,099,979 - Step 5: Solve for x
x = 1,275,154,479,099,979/40,919,202.40 - Step 6: Final answer
x = 31,162,740.33
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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.