Finding the Fourth Proportional to 10,926,259.70, 16,408,051.95 and 7,156,454.90
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Solution
The fourth proportional to 10,926,259.70, 16,408,051.95 and 7,156,454.90 is: 10,746,905.80
Step by Step Solution
- Step 1: Write the proportion equation
10,926,259.70 : 16,408,051.95 = 7,156,454.90 : x - Step 2: Convert to fraction form
10,926,259.70/16,408,051.95 = 7,156,454.90/x - Step 3: Cross multiply
10,926,259.70x = 16,408,051.95 × 7,156,454.90 - Step 4: Simplify right side
10,926,259.70x = 117,423,483,777,032.06 - Step 5: Solve for x
x = 117,423,483,777,032.06/10,926,259.70 - Step 6: Final answer
x = 10,746,905.80
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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.