Finding the Fourth Proportional to 15,731,024,197.11, 21,708,822,100.67 and 8,497,071,637.05
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Solution
The fourth proportional to 15,731,024,197.11, 21,708,822,100.67 and 8,497,071,637.05 is: 11,725,963,563.09
Step by Step Solution
- Step 1: Write the proportion equation
15,731,024,197.11 : 21,708,822,100.67 = 8,497,071,637.05 : x - Step 2: Convert to fraction form
15,731,024,197.11/21,708,822,100.67 = 8,497,071,637.05/x - Step 3: Cross multiply
15,731,024,197.11x = 21,708,822,100.67 × 8,497,071,637.05 - Step 4: Simplify right side
15,731,024,197.11x = 184,461,416,545,324,793,856 - Step 5: Solve for x
x = 184,461,416,545,324,793,856/15,731,024,197.11 - Step 6: Final answer
x = 11,725,963,563.09
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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.