Finding the Fourth Proportional to 13,248,001.70, 19,872,002.55 and 11,122,237.70
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Solution
The fourth proportional to 13,248,001.70, 19,872,002.55 and 11,122,237.70 is: 16,683,356.55
Step by Step Solution
- Step 1: Write the proportion equation
13,248,001.70 : 19,872,002.55 = 11,122,237.70 : x - Step 2: Convert to fraction form
13,248,001.70/19,872,002.55 = 11,122,237.70/x - Step 3: Cross multiply
13,248,001.70x = 19,872,002.55 × 11,122,237.70 - Step 4: Simplify right side
13,248,001.70x = 221,021,135,936,106.12 - Step 5: Solve for x
x = 221,021,135,936,106.12/13,248,001.70 - Step 6: Final answer
x = 16,683,356.55
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1.5x scale
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.