Finding the Fourth Proportional to 19,854,600.79, 27,390,850.08 and 12,399,319.87
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Solution
The fourth proportional to 19,854,600.79, 27,390,850.08 and 12,399,319.87 is: 17,105,753.74
Step by Step Solution
- Step 1: Write the proportion equation
19,854,600.79 : 27,390,850.08 = 12,399,319.87 : x - Step 2: Convert to fraction form
19,854,600.79/27,390,850.08 = 12,399,319.87/x - Step 3: Cross multiply
19,854,600.79x = 27,390,850.08 × 12,399,319.87 - Step 4: Simplify right side
19,854,600.79x = 339,627,911,653,135.06 - Step 5: Solve for x
x = 339,627,911,653,135.06/19,854,600.79 - Step 6: Final answer
x = 17,105,753.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.