Finding the Fourth Proportional to 34,203,124.68, 47,201,075.74 and 19,518,498.60
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Solution
The fourth proportional to 34,203,124.68, 47,201,075.74 and 19,518,498.60 is: 26,935,963.87
Step by Step Solution
- Step 1: Write the proportion equation
34,203,124.68 : 47,201,075.74 = 19,518,498.60 : x - Step 2: Convert to fraction form
34,203,124.68/47,201,075.74 = 19,518,498.60/x - Step 3: Cross multiply
34,203,124.68x = 47,201,075.74 × 19,518,498.60 - Step 4: Simplify right side
34,203,124.68x = 921,294,130,749,684.12 - Step 5: Solve for x
x = 921,294,130,749,684.12/34,203,124.68 - Step 6: Final answer
x = 26,935,963.87
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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.