Finding the Fourth Proportional to 7,429,387.24, 10,248,210.64 and 4,671,710.20
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Solution
The fourth proportional to 7,429,387.24, 10,248,210.64 and 4,671,710.20 is: 6,444,228.66
Step by Step Solution
- Step 1: Write the proportion equation
7,429,387.24 : 10,248,210.64 = 4,671,710.20 : x - Step 2: Convert to fraction form
7,429,387.24/10,248,210.64 = 4,671,710.20/x - Step 3: Cross multiply
7,429,387.24x = 10,248,210.64 × 4,671,710.20 - Step 4: Simplify right side
7,429,387.24x = 47,876,670,178,636.53 - Step 5: Solve for x
x = 47,876,670,178,636.53/7,429,387.24 - Step 6: Final answer
x = 6,444,228.66
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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.