Finding the Fourth Proportional to 19,050,039.90, 26,292,739.50 and 12,423,125.07
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Solution
The fourth proportional to 19,050,039.90, 26,292,739.50 and 12,423,125.07 is: 17,146,315.33
Step by Step Solution
- Step 1: Write the proportion equation
19,050,039.90 : 26,292,739.50 = 12,423,125.07 : x - Step 2: Convert to fraction form
19,050,039.90/26,292,739.50 = 12,423,125.07/x - Step 3: Cross multiply
19,050,039.90x = 26,292,739.50 × 12,423,125.07 - Step 4: Simplify right side
19,050,039.90x = 326,637,991,241,429.25 - Step 5: Solve for x
x = 326,637,991,241,429.25/19,050,039.90 - Step 6: Final answer
x = 17,146,315.33
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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.