Finding the Fourth Proportional to 26,249,113.20, 39,373,669.80 and 19,110,745.20
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Solution
The fourth proportional to 26,249,113.20, 39,373,669.80 and 19,110,745.20 is: 28,666,117.80
Step by Step Solution
- Step 1: Write the proportion equation
26,249,113.20 : 39,373,669.80 = 19,110,745.20 : x - Step 2: Convert to fraction form
26,249,113.20/39,373,669.80 = 19,110,745.20/x - Step 3: Cross multiply
26,249,113.20x = 39,373,669.80 × 19,110,745.20 - Step 4: Simplify right side
26,249,113.20x = 752,460,171,136,734.88 - Step 5: Solve for x
x = 752,460,171,136,734.88/26,249,113.20 - Step 6: Final answer
x = 28,666,117.80
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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.