Finding the Fourth Proportional to 23,163,844.64, 34,746,012.99 and 6,989,938.07
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Solution
The fourth proportional to 23,163,844.64, 34,746,012.99 and 6,989,938.07 is: 10,484,981.34
Step by Step Solution
- Step 1: Write the proportion equation
23,163,844.64 : 34,746,012.99 = 6,989,938.07 : x - Step 2: Convert to fraction form
23,163,844.64/34,746,012.99 = 6,989,938.07/x - Step 3: Cross multiply
23,163,844.64x = 34,746,012.99 × 6,989,938.07 - Step 4: Simplify right side
23,163,844.64x = 242,872,478,805,785.50 - Step 5: Solve for x
x = 242,872,478,805,785.50/23,163,844.64 - Step 6: Final answer
x = 10,484,981.34
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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.