Finding the Fourth Proportional to 19,636,810.08, 29,453,919.12 and 9,408,985.44
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Solution
The fourth proportional to 19,636,810.08, 29,453,919.12 and 9,408,985.44 is: 14,112,857.18
Step by Step Solution
- Step 1: Write the proportion equation
19,636,810.08 : 29,453,919.12 = 9,408,985.44 : x - Step 2: Convert to fraction form
19,636,810.08/29,453,919.12 = 9,408,985.44/x - Step 3: Cross multiply
19,636,810.08x = 29,453,919.12 × 9,408,985.44 - Step 4: Simplify right side
19,636,810.08x = 277,131,496,151,017.59 - Step 5: Solve for x
x = 277,131,496,151,017.59/19,636,810.08 - Step 6: Final answer
x = 14,112,857.18
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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.