Finding the Fourth Proportional to 19,735,167.62, 29,604,781.92 and 7,449,479.15
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Solution
The fourth proportional to 19,735,167.62, 29,604,781.92 and 7,449,479.15 is: 11,174,985.18
Step by Step Solution
- Step 1: Write the proportion equation
19,735,167.62 : 29,604,781.92 = 7,449,479.15 : x - Step 2: Convert to fraction form
19,735,167.62/29,604,781.92 = 7,449,479.15/x - Step 3: Cross multiply
19,735,167.62x = 29,604,781.92 × 7,449,479.15 - Step 4: Simplify right side
19,735,167.62x = 220,540,205,772,557.53 - Step 5: Solve for x
x = 220,540,205,772,557.53/19,735,167.62 - Step 6: Final answer
x = 11,174,985.18
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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.