Finding the Fourth Proportional to 28,872,497.84, 43,294,574.98 and 14,282,560.20
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Solution
The fourth proportional to 28,872,497.84, 43,294,574.98 and 14,282,560.20 is: 21,416,829.85
Step by Step Solution
- Step 1: Write the proportion equation
28,872,497.84 : 43,294,574.98 = 14,282,560.20 : x - Step 2: Convert to fraction form
28,872,497.84/43,294,574.98 = 14,282,560.20/x - Step 3: Cross multiply
28,872,497.84x = 43,294,574.98 × 14,282,560.20 - Step 4: Simplify right side
28,872,497.84x = 618,357,373,485,263.75 - Step 5: Solve for x
x = 618,357,373,485,263.75/28,872,497.84 - Step 6: Final answer
x = 21,416,829.85
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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.