Finding the Fourth Proportional to 19,559,486.80, 29,343,166.80 and 16,386,587.20
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Solution
The fourth proportional to 19,559,486.80, 29,343,166.80 and 16,386,587.20 is: 24,583,178.81
Step by Step Solution
- Step 1: Write the proportion equation
19,559,486.80 : 29,343,166.80 = 16,386,587.20 : x - Step 2: Convert to fraction form
19,559,486.80/29,343,166.80 = 16,386,587.20/x - Step 3: Cross multiply
19,559,486.80x = 29,343,166.80 × 16,386,587.20 - Step 4: Simplify right side
19,559,486.80x = 480,834,361,492,344.94 - Step 5: Solve for x
x = 480,834,361,492,344.94/19,559,486.80 - Step 6: Final answer
x = 24,583,178.81
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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.