Finding the Fourth Proportional to 19,507,905.63, 29,261,774.90 and 4,934,963.07
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Solution
The fourth proportional to 19,507,905.63, 29,261,774.90 and 4,934,963.07 is: 7,402,423.46
Step by Step Solution
- Step 1: Write the proportion equation
19,507,905.63 : 29,261,774.90 = 4,934,963.07 : x - Step 2: Convert to fraction form
19,507,905.63/29,261,774.90 = 4,934,963.07/x - Step 3: Cross multiply
19,507,905.63x = 29,261,774.90 × 4,934,963.07 - Step 4: Simplify right side
19,507,905.63x = 144,405,778,323,169.25 - Step 5: Solve for x
x = 144,405,778,323,169.25/19,507,905.63 - Step 6: Final answer
x = 7,402,423.46
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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.