Finding the Fourth Proportional to 7,884,346.76, 10,879,746.84 and 4,447,432.52
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Solution
The fourth proportional to 7,884,346.76, 10,879,746.84 and 4,447,432.52 is: 6,137,089.27
Step by Step Solution
- Step 1: Write the proportion equation
7,884,346.76 : 10,879,746.84 = 4,447,432.52 : x - Step 2: Convert to fraction form
7,884,346.76/10,879,746.84 = 4,447,432.52/x - Step 3: Cross multiply
7,884,346.76x = 10,879,746.84 × 4,447,432.52 - Step 4: Simplify right side
7,884,346.76x = 48,386,939,905,583.23 - Step 5: Solve for x
x = 48,386,939,905,583.23/7,884,346.76 - Step 6: Final answer
x = 6,137,089.27
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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.