Finding the Fourth Proportional to 9,955,645.60, 14,922,970.80 and 3,888,032.80
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Solution
The fourth proportional to 9,955,645.60, 14,922,970.80 and 3,888,032.80 is: 5,827,949.51
Step by Step Solution
- Step 1: Write the proportion equation
9,955,645.60 : 14,922,970.80 = 3,888,032.80 : x - Step 2: Convert to fraction form
9,955,645.60/14,922,970.80 = 3,888,032.80/x - Step 3: Cross multiply
9,955,645.60x = 14,922,970.80 × 3,888,032.80 - Step 4: Simplify right side
9,955,645.60x = 58,020,999,943,842.24 - Step 5: Solve for x
x = 58,020,999,943,842.24/9,955,645.60 - Step 6: Final answer
x = 5,827,949.51
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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.