Home / 10,368,143.27-14,313,416.75-7,574,129.80

Finding the Fourth Proportional to 10,368,143.27, 14,313,416.75 and 7,574,129.80

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Solution

The fourth proportional to 10,368,143.27, 14,313,416.75 and 7,574,129.80 is: 10,456,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,143.27 : 14,313,416.75 = 7,574,129.80 : x
  2. Step 2: Convert to fraction form
    10,368,143.27/14,313,416.75 = 7,574,129.80/x
  3. Step 3: Cross multiply
    10,368,143.27x = 14,313,416.75 × 7,574,129.80
  4. Step 4: Simplify right side
    10,368,143.27x = 108,411,676,300,742.95
  5. Step 5: Solve for x
    x = 108,411,676,300,742.95/10,368,143.27
  6. Step 6: Final answer
    x = 10,456,228.61

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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.