Finding the Fourth Proportional to 10,069,328.40, 15,103,992.60 and 6,242,953.20
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Solution
The fourth proportional to 10,069,328.40, 15,103,992.60 and 6,242,953.20 is: 9,364,429.80
Step by Step Solution
- Step 1: Write the proportion equation
10,069,328.40 : 15,103,992.60 = 6,242,953.20 : x - Step 2: Convert to fraction form
10,069,328.40/15,103,992.60 = 6,242,953.20/x - Step 3: Cross multiply
10,069,328.40x = 15,103,992.60 × 6,242,953.20 - Step 4: Simplify right side
10,069,328.40x = 94,293,518,934,946.33 - Step 5: Solve for x
x = 94,293,518,934,946.33/10,069,328.40 - Step 6: Final answer
x = 9,364,429.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.