Finding the Fourth Proportional to 10,371,669.30, 15,557,503.95 and 4,387,259.70
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Solution
The fourth proportional to 10,371,669.30, 15,557,503.95 and 4,387,259.70 is: 6,580,889.55
Step by Step Solution
- Step 1: Write the proportion equation
10,371,669.30 : 15,557,503.95 = 4,387,259.70 : x - Step 2: Convert to fraction form
10,371,669.30/15,557,503.95 = 4,387,259.70/x - Step 3: Cross multiply
10,371,669.30x = 15,557,503.95 × 4,387,259.70 - Step 4: Simplify right side
10,371,669.30x = 68,254,810,112,425.81 - Step 5: Solve for x
x = 68,254,810,112,425.81/10,371,669.30 - Step 6: Final answer
x = 6,580,889.55
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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.