Finding the Fourth Proportional to 13,781,248.88, 19,018,365.33 and 7,501,956.75
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Solution
The fourth proportional to 13,781,248.88, 19,018,365.33 and 7,501,956.75 is: 10,352,831.99
Step by Step Solution
- Step 1: Write the proportion equation
13,781,248.88 : 19,018,365.33 = 7,501,956.75 : x - Step 2: Convert to fraction form
13,781,248.88/19,018,365.33 = 7,501,956.75/x - Step 3: Cross multiply
13,781,248.88x = 19,018,365.33 × 7,501,956.75 - Step 4: Simplify right side
13,781,248.88x = 142,674,954,189,491.81 - Step 5: Solve for x
x = 142,674,954,189,491.81/13,781,248.88 - Step 6: Final answer
x = 10,352,831.99
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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.