Finding the Fourth Proportional to 46,778,261.65, 70,162,031.90 and 12,237,996.63
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Solution
The fourth proportional to 46,778,261.65, 70,162,031.90 and 12,237,996.63 is: 18,355,592.52
Step by Step Solution
- Step 1: Write the proportion equation
46,778,261.65 : 70,162,031.90 = 12,237,996.63 : x - Step 2: Convert to fraction form
46,778,261.65/70,162,031.90 = 12,237,996.63/x - Step 3: Cross multiply
46,778,261.65x = 70,162,031.90 × 12,237,996.63 - Step 4: Simplify right side
46,778,261.65x = 858,642,709,534,152.25 - Step 5: Solve for x
x = 858,642,709,534,152.25/46,778,261.65 - Step 6: Final answer
x = 18,355,592.52
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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.