Finding the Fourth Proportional to 7,759,925.74, 10,708,700.88 and 4,498,631.20
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Solution
The fourth proportional to 7,759,925.74, 10,708,700.88 and 4,498,631.20 is: 6,208,113.00
Step by Step Solution
- Step 1: Write the proportion equation
7,759,925.74 : 10,708,700.88 = 4,498,631.20 : x - Step 2: Convert to fraction form
7,759,925.74/10,708,700.88 = 4,498,631.20/x - Step 3: Cross multiply
7,759,925.74x = 10,708,700.88 × 4,498,631.20 - Step 4: Simplify right side
7,759,925.74x = 48,174,495,890,235.46 - Step 5: Solve for x
x = 48,174,495,890,235.46/7,759,925.74 - Step 6: Final answer
x = 6,208,113.00
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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.