Finding the Fourth Proportional to 18,472,947.84, 27,708,108.48 and 5,692,124.16
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Solution
The fourth proportional to 18,472,947.84, 27,708,108.48 and 5,692,124.16 is: 8,537,781.58
Step by Step Solution
- Step 1: Write the proportion equation
18,472,947.84 : 27,708,108.48 = 5,692,124.16 : x - Step 2: Convert to fraction form
18,472,947.84/27,708,108.48 = 5,692,124.16/x - Step 3: Cross multiply
18,472,947.84x = 27,708,108.48 × 5,692,124.16 - Step 4: Simplify right side
18,472,947.84x = 157,717,993,706,908.88 - Step 5: Solve for x
x = 157,717,993,706,908.88/18,472,947.84 - Step 6: Final answer
x = 8,537,781.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.