Home / 6,514,416.09-8,989,810.65-3,534,075.63

Finding the Fourth Proportional to 6,514,416.09, 8,989,810.65 and 3,534,075.63

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Solution

The fourth proportional to 6,514,416.09, 8,989,810.65 and 3,534,075.63 is: 4,876,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514,416.09 : 8,989,810.65 = 3,534,075.63 : x
  2. Step 2: Convert to fraction form
    6,514,416.09/8,989,810.65 = 3,534,075.63/x
  3. Step 3: Cross multiply
    6,514,416.09x = 8,989,810.65 × 3,534,075.63
  4. Step 4: Simplify right side
    6,514,416.09x = 31,770,670,736,479.46
  5. Step 5: Solve for x
    x = 31,770,670,736,479.46/6,514,416.09
  6. Step 6: Final answer
    x = 4,876,979.04

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Double scale
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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.