Finding the Fourth Proportional to 42,798,155.99, 64,207,690.65 and 13,652,000.04
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Solution
The fourth proportional to 42,798,155.99, 64,207,690.65 and 13,652,000.04 is: 20,481,335.59
Step by Step Solution
- Step 1: Write the proportion equation
42,798,155.99 : 64,207,690.65 = 13,652,000.04 : x - Step 2: Convert to fraction form
42,798,155.99/64,207,690.65 = 13,652,000.04/x - Step 3: Cross multiply
42,798,155.99x = 64,207,690.65 × 13,652,000.04 - Step 4: Simplify right side
42,798,155.99x = 876,563,395,322,107.50 - Step 5: Solve for x
x = 876,563,395,322,107.50/42,798,155.99 - Step 6: Final answer
x = 20,481,335.59
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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.