Finding the Fourth Proportional to 7,429,366.74, 10,248,182.37 and 4,671,689.70
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Solution
The fourth proportional to 7,429,366.74, 10,248,182.37 and 4,671,689.70 is: 6,444,200.39
Step by Step Solution
- Step 1: Write the proportion equation
7,429,366.74 : 10,248,182.37 = 4,671,689.70 : x - Step 2: Convert to fraction form
7,429,366.74/10,248,182.37 = 4,671,689.70/x - Step 3: Cross multiply
7,429,366.74x = 10,248,182.37 × 4,671,689.70 - Step 4: Simplify right side
7,429,366.74x = 47,876,328,021,650.59 - Step 5: Solve for x
x = 47,876,328,021,650.59/7,429,366.74 - Step 6: Final answer
x = 6,444,200.39
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1.5x scale
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.