Finding the Fourth Proportional to 21,569,030.16, 32,354,209.55 and 9,432,246.32
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Solution
The fourth proportional to 21,569,030.16, 32,354,209.55 and 9,432,246.32 is: 14,148,659.99
Step by Step Solution
- Step 1: Write the proportion equation
21,569,030.16 : 32,354,209.55 = 9,432,246.32 : x - Step 2: Convert to fraction form
21,569,030.16/32,354,209.55 = 9,432,246.32/x - Step 3: Cross multiply
21,569,030.16x = 32,354,209.55 × 9,432,246.32 - Step 4: Simplify right side
21,569,030.16x = 305,172,873,947,634.19 - Step 5: Solve for x
x = 305,172,873,947,634.19/21,569,030.16 - Step 6: Final answer
x = 14,148,659.99
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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.