Finding the Fourth Proportional to 28,235,647.98, 42,355,417.68 and 11,824,408.71
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Solution
The fourth proportional to 28,235,647.98, 42,355,417.68 and 11,824,408.71 is: 17,737,427.88
Step by Step Solution
- Step 1: Write the proportion equation
28,235,647.98 : 42,355,417.68 = 11,824,408.71 : x - Step 2: Convert to fraction form
28,235,647.98/42,355,417.68 = 11,824,408.71/x - Step 3: Cross multiply
28,235,647.98x = 42,355,417.68 × 11,824,408.71 - Step 4: Simplify right side
28,235,647.98x = 500,827,769,731,080 - Step 5: Solve for x
x = 500,827,769,731,080/28,235,647.98 - Step 6: Final answer
x = 17,737,427.88
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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.