Finding the Fourth Proportional to 22,301,698.68, 30,719,001.58 and 15,764,088.65
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Solution
The fourth proportional to 22,301,698.68, 30,719,001.58 and 15,764,088.65 is: 21,713,909.37
Step by Step Solution
- Step 1: Write the proportion equation
22,301,698.68 : 30,719,001.58 = 15,764,088.65 : x - Step 2: Convert to fraction form
22,301,698.68/30,719,001.58 = 15,764,088.65/x - Step 3: Cross multiply
22,301,698.68x = 30,719,001.58 × 15,764,088.65 - Step 4: Simplify right side
22,301,698.68x = 484,257,063,953,604.81 - Step 5: Solve for x
x = 484,257,063,953,604.81/22,301,698.68 - Step 6: Final answer
x = 21,713,909.37
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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.