Finding the Fourth Proportional to 29,214,848.80, 40,309,248 and 18,889,147
Calculator
Solution
The fourth proportional to 29,214,848.80, 40,309,248 and 18,889,147 is: 26,062,339.60
Step by Step Solution
- Step 1: Write the proportion equation
29,214,848.80 : 40,309,248 = 18,889,147 : x - Step 2: Convert to fraction form
29,214,848.80/40,309,248 = 18,889,147/x - Step 3: Cross multiply
29,214,848.80x = 40,309,248 × 18,889,147 - Step 4: Simplify right side
29,214,848.80x = 761,407,310,931,456 - Step 5: Solve for x
x = 761,407,310,931,456/29,214,848.80 - Step 6: Final answer
x = 26,062,339.60
Related Problems
Find fourth proportional to 14,607,424.40, 20,154,624 and 9,444,573.50
Half scale
Find fourth proportional to 58,429,697.60, 80,618,496 and 37,778,294
Double scale
Find fourth proportional to 29,214,849.80, 40,309,249.38 and 18,889,148
Similar ratio
Find fourth proportional to 43,822,273.20, 60,463,872 and 28,333,720.50
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.