Finding the Fourth Proportional to 37,779,310, 56,668,965.12 and 20,847,599.68
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Solution
The fourth proportional to 37,779,310, 56,668,965.12 and 20,847,599.68 is: 31,271,399.59
Step by Step Solution
- Step 1: Write the proportion equation
37,779,310 : 56,668,965.12 = 20,847,599.68 : x - Step 2: Convert to fraction form
37,779,310/56,668,965.12 = 20,847,599.68/x - Step 3: Cross multiply
37,779,310x = 56,668,965.12 × 20,847,599.68 - Step 4: Simplify right side
37,779,310x = 1,181,411,899,101,643 - Step 5: Solve for x
x = 1,181,411,899,101,643/37,779,310 - Step 6: Final answer
x = 31,271,399.59
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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.