Finding the Fourth Proportional to 43,152,788.81, 64,754,721.05 and 15,878,235.05
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Solution
The fourth proportional to 43,152,788.81, 64,754,721.05 and 15,878,235.05 is: 23,826,749.32
Step by Step Solution
- Step 1: Write the proportion equation
43,152,788.81 : 64,754,721.05 = 15,878,235.05 : x - Step 2: Convert to fraction form
43,152,788.81/64,754,721.05 = 15,878,235.05/x - Step 3: Cross multiply
43,152,788.81x = 64,754,721.05 × 15,878,235.05 - Step 4: Simplify right side
43,152,788.81x = 1,028,190,681,349,691.75 - Step 5: Solve for x
x = 1,028,190,681,349,691.75/43,152,788.81 - Step 6: Final answer
x = 23,826,749.32
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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.