Finding the Fourth Proportional to 10,860,259.19, 14,985,533.30 and 6,213,306.15
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Solution
The fourth proportional to 10,860,259.19, 14,985,533.30 and 6,213,306.15 is: 8,573,433.16
Step by Step Solution
- Step 1: Write the proportion equation
10,860,259.19 : 14,985,533.30 = 6,213,306.15 : x - Step 2: Convert to fraction form
10,860,259.19/14,985,533.30 = 6,213,306.15/x - Step 3: Cross multiply
10,860,259.19x = 14,985,533.30 × 6,213,306.15 - Step 4: Simplify right side
10,860,259.19x = 93,109,706,182,853.27 - Step 5: Solve for x
x = 93,109,706,182,853.27/10,860,259.19 - Step 6: Final answer
x = 8,573,433.16
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1.5x scale
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.