Home / 7,763,038.17-10,713,065.05-4,278,501.20

Finding the Fourth Proportional to 7,763,038.17, 10,713,065.05 and 4,278,501.20

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Solution

The fourth proportional to 7,763,038.17, 10,713,065.05 and 4,278,501.20 is: 5,904,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763,038.17 : 10,713,065.05 = 4,278,501.20 : x
  2. Step 2: Convert to fraction form
    7,763,038.17/10,713,065.05 = 4,278,501.20/x
  3. Step 3: Cross multiply
    7,763,038.17x = 10,713,065.05 × 4,278,501.20
  4. Step 4: Simplify right side
    7,763,038.17x = 45,835,861,597,145.23
  5. Step 5: Solve for x
    x = 45,835,861,597,145.23/7,763,038.17
  6. Step 6: Final answer
    x = 5,904,371.54

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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.