Finding the Fourth Proportional to 26,875,482.12, 40,329,941.58 and 10,919,130.12
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Solution
The fourth proportional to 26,875,482.12, 40,329,941.58 and 10,919,130.12 is: 16,385,487.63
Step by Step Solution
- Step 1: Write the proportion equation
26,875,482.12 : 40,329,941.58 = 10,919,130.12 : x - Step 2: Convert to fraction form
26,875,482.12/40,329,941.58 = 10,919,130.12/x - Step 3: Cross multiply
26,875,482.12x = 40,329,941.58 × 10,919,130.12 - Step 4: Simplify right side
26,875,482.12x = 440,367,879,844,018.31 - Step 5: Solve for x
x = 440,367,879,844,018.31/26,875,482.12 - Step 6: Final answer
x = 16,385,487.63
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1.5x scale
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.