Finding the Fourth Proportional to 36,125,329.61, 49,852,980.86 and 19,605,449.79
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Solution
The fourth proportional to 36,125,329.61, 49,852,980.86 and 19,605,449.79 is: 27,055,534.82
Step by Step Solution
- Step 1: Write the proportion equation
36,125,329.61 : 49,852,980.86 = 19,605,449.79 : x - Step 2: Convert to fraction form
36,125,329.61/49,852,980.86 = 19,605,449.79/x - Step 3: Cross multiply
36,125,329.61x = 49,852,980.86 × 19,605,449.79 - Step 4: Simplify right side
36,125,329.61x = 977,390,113,034,533.62 - Step 5: Solve for x
x = 977,390,113,034,533.62/36,125,329.61 - Step 6: Final answer
x = 27,055,534.82
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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.