Finding the Fourth Proportional to 15,483,025.99, 21,365,365.57 and 8,607,089.35
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Solution
The fourth proportional to 15,483,025.99, 21,365,365.57 and 8,607,089.35 is: 11,877,110.49
Step by Step Solution
- Step 1: Write the proportion equation
15,483,025.99 : 21,365,365.57 = 8,607,089.35 : x - Step 2: Convert to fraction form
15,483,025.99/21,365,365.57 = 8,607,089.35/x - Step 3: Cross multiply
15,483,025.99x = 21,365,365.57 × 8,607,089.35 - Step 4: Simplify right side
15,483,025.99x = 183,893,610,456,403.69 - Step 5: Solve for x
x = 183,893,610,456,403.69/15,483,025.99 - Step 6: Final answer
x = 11,877,110.49
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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.