Finding the Fourth Proportional to 13,376,089.53, 18,460,142.01 and 7,575,903.09
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Solution
The fourth proportional to 13,376,089.53, 18,460,142.01 and 7,575,903.09 is: 10,455,391.06
Step by Step Solution
- Step 1: Write the proportion equation
13,376,089.53 : 18,460,142.01 = 7,575,903.09 : x - Step 2: Convert to fraction form
13,376,089.53/18,460,142.01 = 7,575,903.09/x - Step 3: Cross multiply
13,376,089.53x = 18,460,142.01 × 7,575,903.09 - Step 4: Simplify right side
13,376,089.53x = 139,852,246,895,397.83 - Step 5: Solve for x
x = 139,852,246,895,397.83/13,376,089.53 - Step 6: Final answer
x = 10,455,391.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.