Finding the Fourth Proportional to 19,913,989.68, 29,873,294.64 and 6,956,128.08
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Solution
The fourth proportional to 19,913,989.68, 29,873,294.64 and 6,956,128.08 is: 10,434,999.06
Step by Step Solution
- Step 1: Write the proportion equation
19,913,989.68 : 29,873,294.64 = 6,956,128.08 : x - Step 2: Convert to fraction form
19,913,989.68/29,873,294.64 = 6,956,128.08/x - Step 3: Cross multiply
19,913,989.68x = 29,873,294.64 × 6,956,128.08 - Step 4: Simplify right side
19,913,989.68x = 207,802,463,687,417.50 - Step 5: Solve for x
x = 207,802,463,687,417.50/19,913,989.68 - Step 6: Final answer
x = 10,434,999.06
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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.