Finding the Fourth Proportional to 19,038,977.08, 26,295,420.80 and 12,833,320.84
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Solution
The fourth proportional to 19,038,977.08, 26,295,420.80 and 12,833,320.84 is: 17,724,564.21
Step by Step Solution
- Step 1: Write the proportion equation
19,038,977.08 : 26,295,420.80 = 12,833,320.84 : x - Step 2: Convert to fraction form
19,038,977.08/26,295,420.80 = 12,833,320.84/x - Step 3: Cross multiply
19,038,977.08x = 26,295,420.80 × 12,833,320.84 - Step 4: Simplify right side
19,038,977.08x = 337,457,571,749,209.50 - Step 5: Solve for x
x = 337,457,571,749,209.50/19,038,977.08 - Step 6: Final answer
x = 17,724,564.21
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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.