Finding the Fourth Proportional to 8,778,089.44, 12,113,781.14 and 4,910,675.18
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Solution
The fourth proportional to 8,778,089.44, 12,113,781.14 and 4,910,675.18 is: 6,776,741.66
Step by Step Solution
- Step 1: Write the proportion equation
8,778,089.44 : 12,113,781.14 = 4,910,675.18 : x - Step 2: Convert to fraction form
8,778,089.44/12,113,781.14 = 4,910,675.18/x - Step 3: Cross multiply
8,778,089.44x = 12,113,781.14 × 4,910,675.18 - Step 4: Simplify right side
8,778,089.44x = 59,486,844,355,596.73 - Step 5: Solve for x
x = 59,486,844,355,596.73/8,778,089.44 - Step 6: Final answer
x = 6,776,741.66
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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.