Finding the Fourth Proportional to 38,884,828.80, 58,313,246.40 and 19,709,212.80
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Solution
The fourth proportional to 38,884,828.80, 58,313,246.40 and 19,709,212.80 is: 29,556,724.76
Step by Step Solution
- Step 1: Write the proportion equation
38,884,828.80 : 58,313,246.40 = 19,709,212.80 : x - Step 2: Convert to fraction form
38,884,828.80/58,313,246.40 = 19,709,212.80/x - Step 3: Cross multiply
38,884,828.80x = 58,313,246.40 × 19,709,212.80 - Step 4: Simplify right side
38,884,828.80x = 1,149,308,182,356,434 - Step 5: Solve for x
x = 1,149,308,182,356,434/38,884,828.80 - Step 6: Final answer
x = 29,556,724.76
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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.