Finding the Fourth Proportional to 10,903,497.90, 16,355,246.85 and 10,828,848.30
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Solution
The fourth proportional to 10,903,497.90, 16,355,246.85 and 10,828,848.30 is: 16,243,272.45
Step by Step Solution
- Step 1: Write the proportion equation
10,903,497.90 : 16,355,246.85 = 10,828,848.30 : x - Step 2: Convert to fraction form
10,903,497.90/16,355,246.85 = 10,828,848.30/x - Step 3: Cross multiply
10,903,497.90x = 16,355,246.85 × 10,828,848.30 - Step 4: Simplify right side
10,903,497.90x = 177,108,487,047,702.88 - Step 5: Solve for x
x = 177,108,487,047,702.88/10,903,497.90 - Step 6: Final answer
x = 16,243,272.45
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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.