Finding the Fourth Proportional to 15,103,029.60, 22,657,824.90 and 5,518,392.75
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Solution
The fourth proportional to 15,103,029.60, 22,657,824.90 and 5,518,392.75 is: 8,278,787.76
Step by Step Solution
- Step 1: Write the proportion equation
15,103,029.60 : 22,657,824.90 = 5,518,392.75 : x - Step 2: Convert to fraction form
15,103,029.60/22,657,824.90 = 5,518,392.75/x - Step 3: Cross multiply
15,103,029.60x = 22,657,824.90 × 5,518,392.75 - Step 4: Simplify right side
15,103,029.60x = 125,034,776,658,929.47 - Step 5: Solve for x
x = 125,034,776,658,929.47/15,103,029.60 - Step 6: Final answer
x = 8,278,787.76
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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.