Finding the Fourth Proportional to 19,377,032.80, 29,044,813.20 and 6,585,685.60
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Solution
The fourth proportional to 19,377,032.80, 29,044,813.20 and 6,585,685.60 is: 9,871,480.84
Step by Step Solution
- Step 1: Write the proportion equation
19,377,032.80 : 29,044,813.20 = 6,585,685.60 : x - Step 2: Convert to fraction form
19,377,032.80/29,044,813.20 = 6,585,685.60/x - Step 3: Cross multiply
19,377,032.80x = 29,044,813.20 × 6,585,685.60 - Step 4: Simplify right side
19,377,032.80x = 191,280,008,045,929.91 - Step 5: Solve for x
x = 191,280,008,045,929.91/19,377,032.80 - Step 6: Final answer
x = 9,871,480.84
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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.