Finding the Fourth Proportional to 8,970,671.24, 12,395,719.72 and 6,387,867.98
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Solution
The fourth proportional to 8,970,671.24, 12,395,719.72 and 6,387,867.98 is: 8,826,788.87
Step by Step Solution
- Step 1: Write the proportion equation
8,970,671.24 : 12,395,719.72 = 6,387,867.98 : x - Step 2: Convert to fraction form
8,970,671.24/12,395,719.72 = 6,387,867.98/x - Step 3: Cross multiply
8,970,671.24x = 12,395,719.72 × 6,387,867.98 - Step 4: Simplify right side
8,970,671.24x = 79,182,221,088,442.58 - Step 5: Solve for x
x = 79,182,221,088,442.58/8,970,671.24 - Step 6: Final answer
x = 8,826,788.87
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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.